-15=-8a-23

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Solution for -15=-8a-23 equation: 



-15=-8a-23

We move all terms to the left:

-15-(-8a-23)=0

We get rid of parentheses

8a+23-15=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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