2a+7=-7

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Solution for 2a+7=-7 equation: 



2a+7=-7

We move all terms to the left:

2a+7-(-7)=0

We add all the numbers together, and all the variables

2a+14=0

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

2a=-14

a=-14/2

a=-7

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