12a-8=10+2a-13-7

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Solution for 12a-8=10+2a-13-7 equation: 



12a-8=10+2a-13-7

We move all terms to the left:

12a-8-(10+2a-13-7)=0

We add all the numbers together, and all the variables

12a-(2a-10)-8=0

We get rid of parentheses

12a-2a+10-8=0

We add all the numbers together, and all the variables

10a+2=0

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

10a=-2

a=-2/10

a=-1/5

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