2+2u=-12

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Solution for 2+2u=-12 equation: 



2+2u=-12

We move all terms to the left:

2+2u-(-12)=0

We add all the numbers together, and all the variables

2u+14=0

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

2u=-14

u=-14/2

u=-7

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