9=-6u+3(u-2)

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Solution for 9=-6u+3(u-2) equation:


Simplifying
9 = -6u + 3(u + -2)

Reorder the terms:
9 = -6u + 3(-2 + u)
9 = -6u + (-2 * 3 + u * 3)
9 = -6u + (-6 + 3u)

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

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

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

Combine like terms: -3u + 3u = 0
9 + 3u = -6 + 0
9 + 3u = -6

Add '-9' to each side of the equation.
9 + -9 + 3u = -6 + -9

Combine like terms: 9 + -9 = 0
0 + 3u = -6 + -9
3u = -6 + -9

Combine like terms: -6 + -9 = -15
3u = -15

Divide each side by '3'.
u = -5

Simplifying
u = -5

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