-4a+9a=5a-3a

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Solution for -4a+9a=5a-3a equation: 



-4a+9a=5a-3a

We move all terms to the left:

-4a+9a-(5a-3a)=0

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

5a-(+2a)=0

We get rid of parentheses

5a-2a=0

We add all the numbers together, and all the variables

3a=0

a=0/3

a=0

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