8a+7=5a-5

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



8a+7=5a-5

We move all terms to the left:

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

We get rid of parentheses

8a-5a+5+7=0

We add all the numbers together, and all the variables

3a+12=0

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

3a=-12

a=-12/3

a=-4

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