8a-4+5=2a-7

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Solution for 8a-4+5=2a-7 equation: 



8a-4+5=2a-7

We move all terms to the left:

8a-4+5-(2a-7)=0

We add all the numbers together, and all the variables

8a-(2a-7)+1=0

We get rid of parentheses

8a-2a+7+1=0

We add all the numbers together, and all the variables

6a+8=0

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

6a=-8

a=-8/6

a=-1+1/3

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