2a+7=-9+4a

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Solution for 2a+7=-9+4a equation: 



2a+7=-9+4a

We move all terms to the left:

2a+7-(-9+4a)=0

We add all the numbers together, and all the variables

2a-(4a-9)+7=0

We get rid of parentheses

2a-4a+9+7=0

We add all the numbers together, and all the variables

-2a+16=0

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

-2a=-16

a=-16/-2

a=+8

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