-8+2u=-4

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Solution for -8+2u=-4 equation: 



-8+2u=-4

We move all terms to the left:

-8+2u-(-4)=0

We add all the numbers together, and all the variables

2u-4=0

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

2u=4

u=4/2

u=2

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