18=3u+6

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Solution for 18=3u+6 equation:


Simplifying
18 = 3u + 6

Reorder the terms:
18 = 6 + 3u

Solving
18 = 6 + 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 = 6 + 3u + -3u

Combine like terms: 3u + -3u = 0
18 + -3u = 6 + 0
18 + -3u = 6

Add '-18' to each side of the equation.
18 + -18 + -3u = 6 + -18

Combine like terms: 18 + -18 = 0
0 + -3u = 6 + -18
-3u = 6 + -18

Combine like terms: 6 + -18 = -12
-3u = -12

Divide each side by '-3'.
u = 4

Simplifying
u = 4

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