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12m+150=138.90
We move all terms to the left:
12m+150-(138.90)=0
We add all the numbers together, and all the variables
12m+150-(138.9)=0
We add all the numbers together, and all the variables
12m+11.1=0
We move all terms containing m to the left, all other terms to the right
12m=-11.1
m=-11.1/12
m=-10.0909090909/10.9090909091
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