-3u-42=-5u-30

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Solution for -3u-42=-5u-30 equation: 



-3u-42=-5u-30

We move all terms to the left:

-3u-42-(-5u-30)=0

We get rid of parentheses

-3u+5u+30-42=0

We add all the numbers together, and all the variables

2u-12=0

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

2u=12

u=12/2

u=6

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