9u-30=6u

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Solution for 9u-30=6u equation:


Simplifying
9u + -30 = 6u

Reorder the terms:
-30 + 9u = 6u

Solving
-30 + 9u = 6u

Solving for variable 'u'.

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

Add '-6u' to each side of the equation.
-30 + 9u + -6u = 6u + -6u

Combine like terms: 9u + -6u = 3u
-30 + 3u = 6u + -6u

Combine like terms: 6u + -6u = 0
-30 + 3u = 0

Add '30' to each side of the equation.
-30 + 30 + 3u = 0 + 30

Combine like terms: -30 + 30 = 0
0 + 3u = 0 + 30
3u = 0 + 30

Combine like terms: 0 + 30 = 30
3u = 30

Divide each side by '3'.
u = 10

Simplifying
u = 10

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