15-7a=2

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Solution for 15-7a=2 equation: 



15-7a=2

We move all terms to the left:

15-7a-(2)=0

We add all the numbers together, and all the variables

-7a+13=0

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

-7a=-13

a=-13/-7

a=1+6/7

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