2a+9=a+2

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



2a+9=a+2

We move all terms to the left:

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

We get rid of parentheses

2a-a-2+9=0

We add all the numbers together, and all the variables

a+7=0

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

a=-7

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