15+8u=9u

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Solution for 15+8u=9u equation:


Simplifying
15 + 8u = 9u

Solving
15 + 8u = 9u

Solving for variable 'u'.

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

Add '-9u' to each side of the equation.
15 + 8u + -9u = 9u + -9u

Combine like terms: 8u + -9u = -1u
15 + -1u = 9u + -9u

Combine like terms: 9u + -9u = 0
15 + -1u = 0

Add '-15' to each side of the equation.
15 + -15 + -1u = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -1u = 0 + -15
-1u = 0 + -15

Combine like terms: 0 + -15 = -15
-1u = -15

Divide each side by '-1'.
u = 15

Simplifying
u = 15

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