3(a+3)-a=a=10+a-4

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Solution for 3(a+3)-a=a=10+a-4 equation: 



3(a+3)-a=a=10+a-4

We move all terms to the left:

3(a+3)-a-(a)=0

We add all the numbers together, and all the variables

-2a+3(a+3)=0

We multiply parentheses

-2a+3a+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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