-7=-5u+3(u-5)

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Solution for -7=-5u+3(u-5) equation: 



-7=-5u+3(u-5)

We move all terms to the left:

-7-(-5u+3(u-5))=0



We calculate terms in parentheses: -(-5u+3(u-5)), so:

-5u+3(u-5)

We multiply parentheses

-5u+3u-15

We add all the numbers together, and all the variables

-2u-15

Back to the equation:

-(-2u-15)



We get rid of parentheses

2u+15-7=0

We add all the numbers together, and all the variables

2u+8=0

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

2u=-8

u=-8/2

u=-4

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