8a+8a-12=5a+7a

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Solution for 8a+8a-12=5a+7a equation: 



8a+8a-12=5a+7a

We move all terms to the left:

8a+8a-12-(5a+7a)=0

We add all the numbers together, and all the variables

8a+8a-(+12a)-12=0

We add all the numbers together, and all the variables

16a-(+12a)-12=0

We get rid of parentheses

16a-12a-12=0

We add all the numbers together, and all the variables

4a-12=0

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

4a=12

a=12/4

a=3

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