2a+7=-2a-7

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



2a+7=-2a-7

We move all terms to the left:

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

We get rid of parentheses

2a+2a+7+7=0

We add all the numbers together, and all the variables

4a+14=0

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

4a=-14

a=-14/4

a=-3+1/2

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