-15=-4(u-2)-15

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Solution for -15=-4(u-2)-15 equation:



-15=-4(u-2)-15
We move all terms to the left:
-15-(-4(u-2)-15)=0
We calculate terms in parentheses: -(-4(u-2)-15), so:
-4(u-2)-15
We multiply parentheses
-4u+8-15
We add all the numbers together, and all the variables
-4u-7
Back to the equation:
-(-4u-7)
We get rid of parentheses
4u+7-15=0
We add all the numbers together, and all the variables
4u-8=0
We move all terms containing u to the left, all other terms to the right
4u=8
u=8/4
u=2

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