-9=3(u-8)

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Solution for -9=3(u-8) equation:


Simplifying
-9 = 3(u + -8)

Reorder the terms:
-9 = 3(-8 + u)
-9 = (-8 * 3 + u * 3)
-9 = (-24 + 3u)

Solving
-9 = -24 + 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 = -24 + 3u + -3u

Combine like terms: 3u + -3u = 0
-9 + -3u = -24 + 0
-9 + -3u = -24

Add '9' to each side of the equation.
-9 + 9 + -3u = -24 + 9

Combine like terms: -9 + 9 = 0
0 + -3u = -24 + 9
-3u = -24 + 9

Combine like terms: -24 + 9 = -15
-3u = -15

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

Simplifying
u = 5

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