-u-12=12+3u

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Solution for -u-12=12+3u equation:


Simplifying
-1u + -12 = 12 + 3u

Reorder the terms:
-12 + -1u = 12 + 3u

Solving
-12 + -1u = 12 + 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.
-12 + -1u + -3u = 12 + 3u + -3u

Combine like terms: -1u + -3u = -4u
-12 + -4u = 12 + 3u + -3u

Combine like terms: 3u + -3u = 0
-12 + -4u = 12 + 0
-12 + -4u = 12

Add '12' to each side of the equation.
-12 + 12 + -4u = 12 + 12

Combine like terms: -12 + 12 = 0
0 + -4u = 12 + 12
-4u = 12 + 12

Combine like terms: 12 + 12 = 24
-4u = 24

Divide each side by '-4'.
u = -6

Simplifying
u = -6

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