-2+10a=-72

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



-2+10a=-72

We move all terms to the left:

-2+10a-(-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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