8a+7=2a-5

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Solution for 8a+7=2a-5 equation: 



8a+7=2a-5

We move all terms to the left:

8a+7-(2a-5)=0

We get rid of parentheses

8a-2a+5+7=0

We add all the numbers together, and all the variables

6a+12=0

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

6a=-12

a=-12/6

a=-2

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