9-6*3u-1=15

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Solution for 9-6*3u-1=15 equation: 


Simplifying
9 + -6 * 3u + -1 = 15

Multiply -6 * 3
9 + -18u + -1 = 15

Reorder the terms:
9 + -1 + -18u = 15

Combine like terms: 9 + -1 = 8
8 + -18u = 15

Solving
8 + -18u = 15

Solving for variable 'u'.

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

Add '-8' to each side of the equation.
8 + -8 + -18u = 15 + -8

Combine like terms: 8 + -8 = 0
0 + -18u = 15 + -8
-18u = 15 + -8

Combine like terms: 15 + -8 = 7
-18u = 7

Divide each side by '-18'.
u = -0.3888888889

Simplifying
u = -0.3888888889

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