4=-1-3+8a

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Solution for 4=-1-3+8a equation: 



4=-1-3+8a

We move all terms to the left:

4-(-1-3+8a)=0

We add all the numbers together, and all the variables

-(8a-4)+4=0

We get rid of parentheses

-8a+4+4=0

We add all the numbers together, and all the variables

-8a+8=0

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

-8a=-8

a=-8/-8

a=1

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