7a+7=5a+12

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



7a+7=5a+12

We move all terms to the left:

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

We get rid of parentheses

7a-5a-12+7=0

We add all the numbers together, and all the variables

2a-5=0

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

2a=5

a=5/2

a=2+1/2

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