48=-2(u-89)

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Solution for 48=-2(u-89) equation:



48=-2(u-89)
We move all terms to the left:
48-(-2(u-89))=0
We calculate terms in parentheses: -(-2(u-89)), so:
-2(u-89)
We multiply parentheses
-2u+178
Back to the equation:
-(-2u+178)
We get rid of parentheses
2u-178+48=0
We add all the numbers together, and all the variables
2u-130=0
We move all terms containing u to the left, all other terms to the right
2u=130
u=130/2
u=65

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