8-2a-7-12a=-13

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Solution for 8-2a-7-12a=-13 equation: 



8-2a-7-12a=-13

We move all terms to the left:

8-2a-7-12a-(-13)=0

We add all the numbers together, and all the variables

-14a+14=0

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

-14a=-14

a=-14/-14

a=1

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