Answer:
M = 60
Step-by-step explanation:
First, use the distributive property:
12(m + 15) = 900
12 x m = 12m
12 x 15 = 180
We get the equation 12m + 180 = 900
Subtract 180 from both sides.
12m + 180 - 180 = 900 - 180
We get the equation 12m = 720
Divide by 12 on both sides.
12m/12 = 720/12
We get m = 60
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