3u+6+5u=30

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Solution for 3u+6+5u=30 equation: 



3u+6+5u=30

We move all terms to the left:

3u+6+5u-(30)=0

We add all the numbers together, and all the variables

8u-24=0

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

8u=24

u=24/8

u=3

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