-3u+2=-100+30

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Solution for -3u+2=-100+30 equation: 



-3u+2=-100+30

We move all terms to the left:

-3u+2-(-100+30)=0

We add all the numbers together, and all the variables

-3u+2-(-70)=0

We add all the numbers together, and all the variables

-3u+72=0

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

-3u=-72

u=-72/-3

u=+24

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