-30=-2+4u

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Solution for -30=-2+4u equation: 



-30=-2+4u

We move all terms to the left:

-30-(-2+4u)=0

We add all the numbers together, and all the variables

-(4u-2)-30=0

We get rid of parentheses

-4u+2-30=0

We add all the numbers together, and all the variables

-4u-28=0

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

-4u=28

u=28/-4

u=-7

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