18=-3u

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Solution for 18=-3u equation:


Simplifying
18 = -3u

Solving
18 = -3u

Solving for variable 'u'.

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

Add '3u' to each side of the equation.
18 + 3u = -3u + 3u

Combine like terms: -3u + 3u = 0
18 + 3u = 0

Add '-18' to each side of the equation.
18 + -18 + 3u = 0 + -18

Combine like terms: 18 + -18 = 0
0 + 3u = 0 + -18
3u = 0 + -18

Combine like terms: 0 + -18 = -18
3u = -18

Divide each side by '3'.
u = -6

Simplifying
u = -6

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