7a-4=5a+8

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



7a-4=5a+8

We move all terms to the left:

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

We get rid of parentheses

7a-5a-8-4=0

We add all the numbers together, and all the variables

2a-12=0

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

2a=12

a=12/2

a=6

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