5=-5u+2(u+7)

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Solution for 5=-5u+2(u+7) equation: 



5=-5u+2(u+7)

We move all terms to the left:

5-(-5u+2(u+7))=0



We calculate terms in parentheses: -(-5u+2(u+7)), so:

-5u+2(u+7)

We multiply parentheses

-5u+2u+14

We add all the numbers together, and all the variables

-3u+14

Back to the equation:

-(-3u+14)



We get rid of parentheses

3u-14+5=0

We add all the numbers together, and all the variables

3u-9=0

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

3u=9

u=9/3

u=3

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