-3(-8u+7)-4u=2(u-9)-5

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Solution for -3(-8u+7)-4u=2(u-9)-5 equation: 



-3(-8u+7)-4u=2(u-9)-5

We move all terms to the left:

-3(-8u+7)-4u-(2(u-9)-5)=0

We add all the numbers together, and all the variables

-4u-3(-8u+7)-(2(u-9)-5)=0

We multiply parentheses

-4u+24u-(2(u-9)-5)-21=0



We calculate terms in parentheses: -(2(u-9)-5), so:

2(u-9)-5

We multiply parentheses

2u-18-5

We add all the numbers together, and all the variables

2u-23

Back to the equation:

-(2u-23)



We add all the numbers together, and all the variables

20u-(2u-23)-21=0

We get rid of parentheses

20u-2u+23-21=0

We add all the numbers together, and all the variables

18u+2=0

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

18u=-2

u=-2/18

u=-1/9

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