8=3a+-4

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Solution for 8=3a+-4 equation: 



8=3a+-4

We move all terms to the left:

8-(3a+-4)=0

We add all the numbers together, and all the variables

-(3a-4)+8=0

We get rid of parentheses

-3a+4+8=0

We add all the numbers together, and all the variables

-3a+12=0

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

-3a=-12

a=-12/-3

a=+4

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