-7=(a/2)-3

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Solution for -7=(a/2)-3 equation: 



-7=(a/2)-3

We move all terms to the left:

-7-((a/2)-3)=0

We add all the numbers together, and all the variables

-((+a/2)-3)-7=0

We multiply all the terms by the denominator


-((+a-7*2)-3)=0



We calculate terms in parentheses: -((+a-7*2)-3), so:

(+a-7*2)-3

We add all the numbers together, and all the variables

(a-14)-3

We get rid of parentheses

a-14-3

We add all the numbers together, and all the variables

a-17

Back to the equation:

-(a-17)



We get rid of parentheses

-a+17=0

We add all the numbers together, and all the variables

-1a+17=0

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

-a=-17

a=-17/-1

a=+17

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