2a+9=5a-3

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Solution for 2a+9=5a-3 equation: 



2a+9=5a-3

We move all terms to the left:

2a+9-(5a-3)=0

We get rid of parentheses

2a-5a+3+9=0

We add all the numbers together, and all the variables

-3a+12=0

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

-3a=-12

a=-12/-3

a=+4

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