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P.O.D. Solve: 1.r – 5 = -212.

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Solving ax + b = c

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What are the two methods we’ve learned for solving equations? 1.Add the opposite: EX: -7 = m + 24 2. Multiply by the reciprocal EX: x = -16OR 30 = -5p

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How do we solve equations that require 2 steps??? Example: x + 3 = 11 We must get variable ALONE!! STEPS: #1. Add Opposite #2. Multiply by Reciprocal x =

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Examples: 1. -4x + 3 = 11 2. 16 = -8 – 6y

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3. -2 = -8m + -6 4.

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When Sue works overtime at the zoo, she earns $9.80 per hour. She is also paid $8.00 for meals and $3.00 for transportation. On Sunday, she earned a total of $77.15. How many hours did Sue work? EQUATION: meal$ + trans$ + $9.80#hrs =TOTAL $8.00 + $3.00 + $9.80h = $77.15

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Equation: $8.00 + $3.00 + $9.80h = $77.15 11 + 9.80h = 77.15 -11 9.80h = 66.15 9.809.80 h = 6.75Solution: Answer: 6.75 hours

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