5a-9=7a+6+3a

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Solution for 5a-9=7a+6+3a equation: 



5a-9=7a+6+3a

We move all terms to the left:

5a-9-(7a+6+3a)=0

We add all the numbers together, and all the variables

5a-(10a+6)-9=0

We get rid of parentheses

5a-10a-6-9=0

We add all the numbers together, and all the variables

-5a-15=0

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

-5a=15

a=15/-5

a=-3

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