3+(-a)=8

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Solution for 3+(-a)=8 equation: 



3+(-a)=8

We move all terms to the left:

3+(-a)-(8)=0

We add all the numbers together, and all the variables

(-1a)+3-8=0

We add all the numbers together, and all the variables

(-1a)-5=0

We get rid of parentheses

-1a-5=0

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

-a=5

a=5/-1

a=-5

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