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Andre45 [30]
3 years ago
11

Solve the equationshow your work9 + 12m = 6 + 15(m - 1)

Mathematics
1 answer:
Fudgin [204]3 years ago
7 0

Answer: m=6

Step-by-step explanation:

9+12m=6+15\left(m-1\right)

6+15\left(m-1\right)=15m-9

9+12m=15m-9

subtract 9 on both sides

9+12m-9=15m-9-9

12m=15m-18

subtract 15m on both sides

12m-15m=15m-18-15m

-3m=-18

divide by -3 on both sides

\frac{-3m}{-3}=\frac{-18}{-3}

since \frac{-a}{-b}=\frac{a}{b}

\frac{-18}{-3}=6

m=6

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