(u+9)9=

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Solution for (u+9)9= equation:


Simplifying
(u + 9) * 9 = 0

Reorder the terms:
(9 + u) * 9 = 0

Reorder the terms for easier multiplication:
9(9 + u) = 0
(9 * 9 + u * 9) = 0
(81 + 9u) = 0

Solving
81 + 9u = 0

Solving for variable 'u'.

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

Add '-81' to each side of the equation.
81 + -81 + 9u = 0 + -81

Combine like terms: 81 + -81 = 0
0 + 9u = 0 + -81
9u = 0 + -81

Combine like terms: 0 + -81 = -81
9u = -81

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

Simplifying
u = -9

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