7a+9=5a-3

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



7a+9=5a-3

We move all terms to the left:

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

We get rid of parentheses

7a-5a+3+9=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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