12=a-3.7

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Solution for 12=a-3.7 equation: 



12=a-3.7

We move all terms to the left:

12-(a-3.7)=0

We get rid of parentheses

-a+3.7+12=0

We add all the numbers together, and all the variables

-1a+15.7=0

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

-a=-15.7

a=-15.7/-1

a=15+0.7/1

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