5u+2(u-3)=15

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Solution for 5u+2(u-3)=15 equation: 



5u+2(u-3)=15

We move all terms to the left:

5u+2(u-3)-(15)=0

We multiply parentheses

5u+2u-6-15=0

We add all the numbers together, and all the variables

7u-21=0

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

7u=21

u=21/7

u=3

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