2a-7+4a=8

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



2a-7+4a=8

We move all terms to the left:

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

We add all the numbers together, and all the variables

6a-15=0

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

6a=15

a=15/6

a=2+1/2

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