-5(-4u+5)-u=7(u-1)-9

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Solution for -5(-4u+5)-u=7(u-1)-9 equation: 



-5(-4u+5)-u=7(u-1)-9

We move all terms to the left:

-5(-4u+5)-u-(7(u-1)-9)=0

We add all the numbers together, and all the variables

-1u-5(-4u+5)-(7(u-1)-9)=0

We multiply parentheses

-1u+20u-(7(u-1)-9)-25=0



We calculate terms in parentheses: -(7(u-1)-9), so:

7(u-1)-9

We multiply parentheses

7u-7-9

We add all the numbers together, and all the variables

7u-16

Back to the equation:

-(7u-16)



We add all the numbers together, and all the variables

19u-(7u-16)-25=0

We get rid of parentheses

19u-7u+16-25=0

We add all the numbers together, and all the variables

12u-9=0

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

12u=9

u=9/12

u=3/4

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