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-4(-5u+3)-2u=2(u-9)-4
We move all terms to the left:
-4(-5u+3)-2u-(2(u-9)-4)=0
We add all the numbers together, and all the variables
-2u-4(-5u+3)-(2(u-9)-4)=0
We multiply parentheses
-2u+20u-(2(u-9)-4)-12=0
We calculate terms in parentheses: -(2(u-9)-4), so:We add all the numbers together, and all the variables
2(u-9)-4
We multiply parentheses
2u-18-4
We add all the numbers together, and all the variables
2u-22
Back to the equation:
-(2u-22)
18u-(2u-22)-12=0
We get rid of parentheses
18u-2u+22-12=0
We add all the numbers together, and all the variables
16u+10=0
We move all terms containing u to the left, all other terms to the right
16u=-10
u=-10/16
u=-5/8
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