9u-18=3(u+2)

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Solution for 9u-18=3(u+2) equation:


Simplifying
9u + -18 = 3(u + 2)

Reorder the terms:
-18 + 9u = 3(u + 2)

Reorder the terms:
-18 + 9u = 3(2 + u)
-18 + 9u = (2 * 3 + u * 3)
-18 + 9u = (6 + 3u)

Solving
-18 + 9u = 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 + 9u + -3u = 6 + 3u + -3u

Combine like terms: 9u + -3u = 6u
-18 + 6u = 6 + 3u + -3u

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

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

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

Combine like terms: 6 + 18 = 24
6u = 24

Divide each side by '6'.
u = 4

Simplifying
u = 4

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