12=3u+72

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Solution for 12=3u+72 equation:


Simplifying
12 = 3u + 72

Reorder the terms:
12 = 72 + 3u

Solving
12 = 72 + 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 = 72 + 3u + -3u

Combine like terms: 3u + -3u = 0
12 + -3u = 72 + 0
12 + -3u = 72

Add '-12' to each side of the equation.
12 + -12 + -3u = 72 + -12

Combine like terms: 12 + -12 = 0
0 + -3u = 72 + -12
-3u = 72 + -12

Combine like terms: 72 + -12 = 60
-3u = 60

Divide each side by '-3'.
u = -20

Simplifying
u = -20

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