-12=-7-3.5y

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Solution for -12=-7-3.5y equation: 



-12=-7-3.5y

We move all terms to the left:

-12-(-7-3.5y)=0

We add all the numbers together, and all the variables

-(-3.5y-7)-12=0

We get rid of parentheses

3.5y+7-12=0

We add all the numbers together, and all the variables

3.5y-5=0

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

3.5y=5

y=5/3.5

y=1+1/2.33333333333

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