2a+18+9a=4a-6a

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Solution for 2a+18+9a=4a-6a equation: 



2a+18+9a=4a-6a

We move all terms to the left:

2a+18+9a-(4a-6a)=0

We add all the numbers together, and all the variables

2a+9a-(-2a)+18=0

We add all the numbers together, and all the variables

11a-(-2a)+18=0

We get rid of parentheses

11a+2a+18=0

We add all the numbers together, and all the variables

13a+18=0

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

13a=-18

a=-18/13

a=-1+5/13

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