-1=a/2+7

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Solution for -1=a/2+7 equation: 



-1=a/2+7

We move all terms to the left:

-1-(a/2+7)=0

We get rid of parentheses

-a/2-7-1=0

We multiply all the terms by the denominator


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

We add all the numbers together, and all the variables

-1a-16=0

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

-a=16

a=16/-1

a=-16

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