7(u-3)-1=-5(-2u+8)-7u

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Solution for 7(u-3)-1=-5(-2u+8)-7u equation:



7(u-3)-1=-5(-2u+8)-7u
We move all terms to the left:
7(u-3)-1-(-5(-2u+8)-7u)=0
We multiply parentheses
7u-(-5(-2u+8)-7u)-21-1=0
We calculate terms in parentheses: -(-5(-2u+8)-7u), so:
-5(-2u+8)-7u
We add all the numbers together, and all the variables
-7u-5(-2u+8)
We multiply parentheses
-7u+10u-40
We add all the numbers together, and all the variables
3u-40
Back to the equation:
-(3u-40)
We add all the numbers together, and all the variables
7u-(3u-40)-22=0
We get rid of parentheses
7u-3u+40-22=0
We add all the numbers together, and all the variables
4u+18=0
We move all terms containing u to the left, all other terms to the right
4u=-18
u=-18/4
u=-4+1/2

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