6(u-3)-3u=9

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Solution for 6(u-3)-3u=9 equation:


Simplifying
6(u + -3) + -3u = 9

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

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

Solving
-18 + 3u = 9

Solving for variable 'u'.

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

Add '18' to each side of the equation.
-18 + 18 + 3u = 9 + 18

Combine like terms: -18 + 18 = 0
0 + 3u = 9 + 18
3u = 9 + 18

Combine like terms: 9 + 18 = 27
3u = 27

Divide each side by '3'.
u = 9

Simplifying
u = 9

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