-a+7/2=-12

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Solution for -a+7/2=-12 equation: 



-a+7/2=-12

We move all terms to the left:

-a+7/2-(-12)=0

We add all the numbers together, and all the variables

-1a+12+7/2=0

We multiply all the terms by the denominator


-1a*2+7+12*2=0

We add all the numbers together, and all the variables

-1a*2+31=0

Wy multiply elements

-2a+31=0

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

-2a=-31

a=-31/-2

a=15+1/2

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