-78+2a=-4-12

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Solution for -78+2a=-4-12 equation: 



-78+2a=-4-12

We move all terms to the left:

-78+2a-(-4-12)=0

We add all the numbers together, and all the variables

2a-78-(-16)=0

We add all the numbers together, and all the variables

2a-62=0

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

2a=62

a=62/2

a=31

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