-9=a/2-7

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Solution for -9=a/2-7 equation: 



-9=a/2-7

We move all terms to the left:

-9-(a/2-7)=0

We get rid of parentheses

-a/2+7-9=0

We multiply all the terms by the denominator


-a+7*2-9*2=0

We add all the numbers together, and all the variables

-1a-4=0

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

-a=4

a=4/-1

a=-4

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