-18=9u

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Solution for -18=9u equation:


Simplifying
-18 = 9u

Solving
-18 = 9u

Solving for variable 'u'.

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

Add '-9u' to each side of the equation.
-18 + -9u = 9u + -9u

Combine like terms: 9u + -9u = 0
-18 + -9u = 0

Add '18' to each side of the equation.
-18 + 18 + -9u = 0 + 18

Combine like terms: -18 + 18 = 0
0 + -9u = 0 + 18
-9u = 0 + 18

Combine like terms: 0 + 18 = 18
-9u = 18

Divide each side by '-9'.
u = -2

Simplifying
u = -2

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