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 = 15u
-30 + 15u = -6u + 6u

Combine like terms: -6u + 6u = 0
-30 + 15u = 0

Add '30' to each side of the equation.
-30 + 30 + 15u = 0 + 30

Combine like terms: -30 + 30 = 0
0 + 15u = 0 + 30
15u = 0 + 30

Combine like terms: 0 + 30 = 30
15u = 30

Divide each side by '15'.
u = 2

Simplifying
u = 2

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