1

Do NowAIM: Solving Two-Step Equations involving Fractions

Solve the following equations.

1.) x + 13 = 3

4x 1

2 =35

2.) -3 -2

2

Anticipatory SetHow do you think fractions and decimals will impact the procedures for solving two-step equations.

3

ALGEBRAThe Search for Unknowns

Objective: Isolate the variable to find its value

RULES

4.) Use inverse operations

1.) Keep the equation balanced2.) Simplify each side by combining like terms and

using the distributive property.3.) Move variable to one side using inverse operations.

x + 13 16

= 20

4

ALGEBRAThe Search for Unknowns

Objective: Isolate the variable to find its value

RULES

4.) Use inverse operations

1.) Keep the equation balanced2.) Simplify each side by combining like terms and

using the distributive property.3.) Move variable to one side using inverse operations.

p - 7 34

= 11

5

ALGEBRAThe Search for Unknowns

Objective: Isolate the variable to find its value

RULES

4.) Use inverse operations

1.) Keep the equation balanced2.) Simplify each side by combining like terms and

using the distributive property.3.) Move variable to one side using inverse operations.

x + 2 25

= 34

6

ALGEBRAThe Search for Unknowns

Objective: Isolate the variable to find its value

RULES

4.) Use inverse operations

1.) Keep the equation balanced2.) Simplify each side by combining like terms and

using the distributive property.3.) Move variable to one side using inverse operations.

x 25

=16

-8

7

ALGEBRAThe Search for Unknowns

Objective: Isolate the variable to find its value

RULES

4.) Use inverse operations

1.) Keep the equation balanced2.) Simplify each side by combining like terms and

using the distributive property.3.) Move variable to one side using inverse operations.

n - 57

= 12

314

8

ALGEBRAThe Search for Unknowns

Objective: Isolate the variable to find its value

RULES

4.) Use inverse operations

1.) Keep the equation balanced2.) Simplify each side by combining like terms and

using the distributive property.3.) Move variable to one side using inverse operations.

e - 1330

=35

710

9

ALGEBRAThe Search for Unknowns

Objective: Isolate the variable to find its value

RULES

4.) Use inverse operations

1.) Keep the equation balanced2.) Simplify each side by combining like terms and

using the distributive property.3.) Move variable to one side using inverse operations.

m + 13

= 49

16

10

Before You Leave

For local telephone service, the McNeils pay $9.95 per month plus $0.35 per minute for local calls. Last month, the paid $12.75 for local service. Write and solve an equation to find the minutes, m, of local calls.

11

Homework: Finish Class Notes

Mr. Tjersland's Math 7

12

AIM: Solving Two-Step Equations involving Fractions

e - 1330

=35

710

13

e - 1330

=35

710

CHECK

14

x 25

=16

-8