9a=5a+-18

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Solution for 9a=5a+-18 equation: 



9a=5a+-18

We move all terms to the left:

9a-(5a+-18)=0

We add all the numbers together, and all the variables

9a-(5a-18)=0

We get rid of parentheses

9a-5a+18=0

We add all the numbers together, and all the variables

4a+18=0

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

4a=-18

a=-18/4

a=-4+1/2

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