12.5=0.3-2.8m

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Solution for 12.5=0.3-2.8m equation: 



12.5=0.3-2.8m

We move all terms to the left:

12.5-(0.3-2.8m)=0

We add all the numbers together, and all the variables

-(-2.8m+0.3)+12.5=0

We get rid of parentheses

2.8m-0.3+12.5=0

We add all the numbers together, and all the variables

2.8m+12.2=0

We move all terms containing m to the left, all other terms to the right

2.8m=-12.2

m=-12.2/2.8

m=-4+1/2.8

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