-9u-12=-6(u-2)

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Solution for -9u-12=-6(u-2) equation:


Simplifying
-9u + -12 = -6(u + -2)

Reorder the terms:
-12 + -9u = -6(u + -2)

Reorder the terms:
-12 + -9u = -6(-2 + u)
-12 + -9u = (-2 * -6 + u * -6)
-12 + -9u = (12 + -6u)

Solving
-12 + -9u = 12 + -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.
-12 + -9u + 6u = 12 + -6u + 6u

Combine like terms: -9u + 6u = -3u
-12 + -3u = 12 + -6u + 6u

Combine like terms: -6u + 6u = 0
-12 + -3u = 12 + 0
-12 + -3u = 12

Add '12' to each side of the equation.
-12 + 12 + -3u = 12 + 12

Combine like terms: -12 + 12 = 0
0 + -3u = 12 + 12
-3u = 12 + 12

Combine like terms: 12 + 12 = 24
-3u = 24

Divide each side by '-3'.
u = -8

Simplifying
u = -8

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