8=a+4

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Solution for 8=a+4 equation: 



8=a+4

We move all terms to the left:

8-(a+4)=0

We get rid of parentheses

-a-4+8=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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