-3a=-117

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Solution for -3a=-117 equation: 



-3a=-117

We move all terms to the left:

-3a-(-117)=0

We add all the numbers together, and all the variables

-3a+117=0

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

-3a=-117

a=-117/-3

a=+39

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