7a=5a-8

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Solution for 7a=5a-8 equation: 



7a=5a-8

We move all terms to the left:

7a-(5a-8)=0

We get rid of parentheses

7a-5a+8=0

We add all the numbers together, and all the variables

2a+8=0

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

2a=-8

a=-8/2

a=-4

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