12=-3u+6(u+4)

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Solution for 12=-3u+6(u+4) equation:


Simplifying
12 = -3u + 6(u + 4)

Reorder the terms:
12 = -3u + 6(4 + u)
12 = -3u + (4 * 6 + u * 6)
12 = -3u + (24 + 6u)

Reorder the terms:
12 = 24 + -3u + 6u

Combine like terms: -3u + 6u = 3u
12 = 24 + 3u

Solving
12 = 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.
12 + -3u = 24 + 3u + -3u

Combine like terms: 3u + -3u = 0
12 + -3u = 24 + 0
12 + -3u = 24

Add '-12' to each side of the equation.
12 + -12 + -3u = 24 + -12

Combine like terms: 12 + -12 = 0
0 + -3u = 24 + -12
-3u = 24 + -12

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

Divide each side by '-3'.
u = -4

Simplifying
u = -4

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