-21(-9u+8)-8u=2(u-5)-8

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Solution for -21(-9u+8)-8u=2(u-5)-8 equation: 



-21(-9u+8)-8u=2(u-5)-8

We move all terms to the left:

-21(-9u+8)-8u-(2(u-5)-8)=0

We add all the numbers together, and all the variables

-8u-21(-9u+8)-(2(u-5)-8)=0

We multiply parentheses

-8u+189u-(2(u-5)-8)-168=0



We calculate terms in parentheses: -(2(u-5)-8), so:

2(u-5)-8

We multiply parentheses

2u-10-8

We add all the numbers together, and all the variables

2u-18

Back to the equation:

-(2u-18)



We add all the numbers together, and all the variables

181u-(2u-18)-168=0

We get rid of parentheses

181u-2u+18-168=0

We add all the numbers together, and all the variables

179u-150=0

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

179u=150

u=150/179

u=150/179

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