-12-79=5a+8a

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Solution for -12-79=5a+8a equation:



-12-79=5a+8a
We move all terms to the left:
-12-79-(5a+8a)=0
We add all the numbers together, and all the variables
-(+13a)-12-79=0
We add all the numbers together, and all the variables
-(+13a)-91=0
We get rid of parentheses
-13a-91=0
We move all terms containing a to the left, all other terms to the right
-13a=91
a=91/-13
a=-7

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