10(9-u)=

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Solution for 10(9-u)= equation: 


Simplifying
10(9 + -1u) = 0
(9 * 10 + -1u * 10) = 0
(90 + -10u) = 0

Solving
90 + -10u = 0

Solving for variable 'u'.

Move all terms containing u to the left, all other terms to the right.

Add '-90' to each side of the equation.
90 + -90 + -10u = 0 + -90

Combine like terms: 90 + -90 = 0
0 + -10u = 0 + -90
-10u = 0 + -90

Combine like terms: 0 + -90 = -90
-10u = -90

Divide each side by '-10'.
u = 9

Simplifying
u = 9

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