-72=-2+10a

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Solution for -72=-2+10a equation: 



-72=-2+10a

We move all terms to the left:

-72-(-2+10a)=0

We add all the numbers together, and all the variables

-(10a-2)-72=0

We get rid of parentheses

-10a+2-72=0

We add all the numbers together, and all the variables

-10a-70=0

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

-10a=70

a=70/-10

a=-7

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