Equations

5
EQUATIONS (1º E.S.O.) Things we mustn't forget to solve an equation Example (a very simple one)

Transcript of Equations

Page 1: Equations

EQUATIONS (1º E.S.O.)

Things we mustn't forget to solve an equation

Example (a very simple one)

Page 2: Equations

To solve an equation means finding a value for the variable that makes the equation true.

Whatever you do to one side of the equation, you must also do it to the other side, to keep it in balance.

Things we mustn't forget to solve an equation

Page 3: Equations

Example

Solution:

Solve the equation

2x + 3 = 11 2x+3 = 11=

2x + 3 = 112x = 8=- 3 - 3

1) Subtract 3 from both sides

Page 4: Equations

2) Divide both sides by 2

2x = 8=

2x 8__ __=2 2

3) So x = 4

x = 4=

Page 5: Equations

Check the solution

Check: x = 4

2x + 3 11

2(4) + 3

8 + 3

11

x 4=

Left-hand side = Right-hand side

Therefore, x = 4 is the correct solution


Differential Equations and Partial Differential Equations

Differential Equations and Partial Differential Equations

Handbook of Differential Equations: Ordinary Differential Equations, Volume 1 (Handbook of Differential Equations)

Handbook of Differential Equations: Ordinary Differential Equations, Volume 1 (Handbook of Differential Equations)

Chemical Reaction and Equations Evidence of a Reaction Chemical Equations Balancing Chemical Equations.

Chemical Reaction and Equations Evidence of a Reaction Chemical Equations Balancing Chemical Equations.

Slide 6-1 Equations 6.1 Solving Trigonometric Equations 6.2 More on Trigonometric Equations 6.3 Trigonometric Equations Involving Multiples Angles 6.4.

Slide 6-1 Equations 6.1 Solving Trigonometric Equations 6.2 More on Trigonometric Equations 6.3 Trigonometric Equations Involving Multiples Angles 6.4.

Chemistry, Equations and you!!!! Balancing Equations.

Chemistry, Equations and you!!!! Balancing Equations.

Quadratic Equations Quadratic Equations

Quadratic Equations Quadratic Equations

Quadratic Equations - InyaTrust · adfected quadratic equations. solving pure quadratic equations. solving quadratic equations by factorisation method. solving quadratic equations

Quadratic Equations - InyaTrust · adfected quadratic equations. solving pure quadratic equations. solving quadratic equations by factorisation method. solving quadratic equations

Word Equations and Balancing Equations · PDF fileWord Equations and Balancing Equations ... balancing equations. • Write and balance equations originally expressed in words

Word Equations and Balancing Equations · PDF fileWord Equations and Balancing Equations ... balancing equations. • Write and balance equations originally expressed in words

Onsager Equations, Nonlinear Fokker-Planck …web.math.princeton.edu/conference/fefferman09/pdfs/...Onsager Equations, Nonlinear Fokker-Planck Equations, Navier-Stokes Equations Peter

Onsager Equations, Nonlinear Fokker-Planck …web.math.princeton.edu/conference/fefferman09/pdfs/...Onsager Equations, Nonlinear Fokker-Planck Equations, Navier-Stokes Equations Peter

Governing equations: Navier-Stokes equations, Two-dimensional shallow-water equations, Saint-Venant equations, compressible water hammer flow equations.

Governing equations: Navier-Stokes equations, Two-dimensional shallow-water equations, Saint-Venant equations, compressible water hammer flow equations.

Maxwell Equations and Landau–Lifshitz Equations

Maxwell Equations and Landau–Lifshitz Equations

Fluid dynamical equations (Navier-Stokes equations)

Fluid dynamical equations (Navier-Stokes equations)

Graphing Equations & Equations of Lines

Graphing Equations & Equations of Lines

First-Order Differential Equations Part 1. First-Order Differential Equations Types: Variable Separable Linear Equations Exact Equations Solvable by Substitutions.

First-Order Differential Equations Part 1. First-Order Differential Equations Types: Variable Separable Linear Equations Exact Equations Solvable by Substitutions.

Simplify It! Graphs of Linear Equations Literal Equations Equations with Fractions Solving Equations $500 $400 $300 $200 $100.

Simplify It! Graphs of Linear Equations Literal Equations Equations with Fractions Solving Equations $500 $400 $300 $200 $100.

Alg1 Equations Packet Solving Linear Equations

Alg1 Equations Packet Solving Linear Equations

Balancing Equations Balancing, Writing, and Naming Equations.

Balancing Equations Balancing, Writing, and Naming Equations.

Beginning and Intermediate Algebra Chapter 1: Linear Equations 1.pdf · Chapter 1: Linear Equations 1.1 Solving Linear Equations - One Step Equations Solving linear equations is an

Beginning and Intermediate Algebra Chapter 1: Linear Equations 1.pdf · Chapter 1: Linear Equations 1.1 Solving Linear Equations - One Step Equations Solving linear equations is an

Equations EQUATIONS REVIEW I

Equations EQUATIONS REVIEW I

Chapter 3 Complex Numbers Quadratic Functions and Equations Inequalities Rational Equations Radical Equations Absolute Value Equations.

Chapter 3 Complex Numbers Quadratic Functions and Equations Inequalities Rational Equations Radical Equations Absolute Value Equations.