-3+a/2=-9

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Solution for -3+a/2=-9 equation: 



-3+a/2=-9

We move all terms to the left:

-3+a/2-(-9)=0

We add all the numbers together, and all the variables

a/2+6=0

We multiply all the terms by the denominator


a+6*2=0

We add all the numbers together, and all the variables

a+12=0

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

a=-12

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