4=-a/2

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Solution for 4=-a/2 equation: 



4=-a/2

We move all terms to the left:

4-(-a/2)=0

We get rid of parentheses

a/2+4=0

We multiply all the terms by the denominator


a+4*2=0

We add all the numbers together, and all the variables

a+8=0

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

a=-8

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