-3(-7u+5)-8u=7(u-3)-3

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



-3(-7u+5)-8u=7(u-3)-3

We move all terms to the left:

-3(-7u+5)-8u-(7(u-3)-3)=0

We add all the numbers together, and all the variables

-8u-3(-7u+5)-(7(u-3)-3)=0

We multiply parentheses

-8u+21u-(7(u-3)-3)-15=0



We calculate terms in parentheses: -(7(u-3)-3), so:

7(u-3)-3

We multiply parentheses

7u-21-3

We add all the numbers together, and all the variables

7u-24

Back to the equation:

-(7u-24)



We add all the numbers together, and all the variables

13u-(7u-24)-15=0

We get rid of parentheses

13u-7u+24-15=0

We add all the numbers together, and all the variables

6u+9=0

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

6u=-9

u=-9/6

u=-1+1/2

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