7a-3=5a-9

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Solution for 7a-3=5a-9 equation: 



7a-3=5a-9

We move all terms to the left:

7a-3-(5a-9)=0

We get rid of parentheses

7a-5a+9-3=0

We add all the numbers together, and all the variables

2a+6=0

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

2a=-6

a=-6/2

a=-3

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