5a-2a=2a+9

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



5a-2a=2a+9

We move all terms to the left:

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

We add all the numbers together, and all the variables

3a-(2a+9)=0

We get rid of parentheses

3a-2a-9=0

We add all the numbers together, and all the variables

a-9=0

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

a=9

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