6u-9=3u

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Solution for 6u-9=3u equation:


Simplifying
6u + -9 = 3u

Reorder the terms:
-9 + 6u = 3u

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

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

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

Add '9' to each side of the equation.
-9 + 9 + 3u = 0 + 9

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

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

Divide each side by '3'.
u = 3

Simplifying
u = 3

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