-9u-16=-4(u-1)

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Solution for -9u-16=-4(u-1) equation:



-9u-16=-4(u-1)
We move all terms to the left:
-9u-16-(-4(u-1))=0
We calculate terms in parentheses: -(-4(u-1)), so:
-4(u-1)
We multiply parentheses
-4u+4
Back to the equation:
-(-4u+4)
We get rid of parentheses
-9u+4u-4-16=0
We add all the numbers together, and all the variables
-5u-20=0
We move all terms containing u to the left, all other terms to the right
-5u=20
u=20/-5
u=-4

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