2a+7=-18

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Solution for 2a+7=-18 equation: 



2a+7=-18

We move all terms to the left:

2a+7-(-18)=0

We add all the numbers together, and all the variables

2a+25=0

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

2a=-25

a=-25/2

a=-12+1/2

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