23=-3a-1+7a

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Solution for 23=-3a-1+7a equation: 



23=-3a-1+7a

We move all terms to the left:

23-(-3a-1+7a)=0

We add all the numbers together, and all the variables

-(4a-1)+23=0

We get rid of parentheses

-4a+1+23=0

We add all the numbers together, and all the variables

-4a+24=0

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

-4a=-24

a=-24/-4

a=+6

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