M60 Day 8
2.4, and a sneak of 2.5Graphing Project #4
Solving Linear Equations: ax+b=c
2.4
Procedure for multi-step solving…• Combine like terms• Add the opposite to MOVE constants away
from the variable• ReMOVE the coefficient of the variable using
Multiply/divide.• GOAL: to get a +1 coeffience.• CHECK your answer.
5 2 7x
Try it…
• Solve each of the linear equations.
3 11 2x
1 77
2 2x
20 7 3 4y y
Dealing with Fractions/Decimals
• What we do to one side we must do to the other.
• Clear out the fractions and decimals with multiplication.
• EX: 2 1 7
5 2 4x
0 5.1 0.3x x
3 2.7 2.7x
Multi-step Try it…
1 77
2 2x
5 2.9 3.5x
0 5.4 0.2x x
Solving Linear Equations: ax+b=cx+d
2.5
General Procedure
• Simplify each sideo Remove any grouping symbols and combine like terms
• MOVE and combine like terms
•Multiply/Divide to ReMOVE coefficientso GOAL: +1 variable coefficient
• Check answer
Solving Linear Equations
• MOVE terms by adding/subtracting• ReMOVE coefficients by multiplying/dividing
• Try it…
4 15 2 9x x
9 3 5 9z z
6 3 7m m
Coming up…
• Quiz #3 October 25th – material from Day 1+
• Day 9 Reading Guide (Bb) 2.5
• No school November 11th
• Test #2 November 15th
Exit Ticket
Solve for the variables. Show the process steps and check answers.1.
2.
3. 4 25 31x x
51 17y3 2 6 14n n
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