69=3u+12

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Solution for 69=3u+12 equation:


Simplifying
69 = 3u + 12

Reorder the terms:
69 = 12 + 3u

Solving
69 = 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.
69 + -3u = 12 + 3u + -3u

Combine like terms: 3u + -3u = 0
69 + -3u = 12 + 0
69 + -3u = 12

Add '-69' to each side of the equation.
69 + -69 + -3u = 12 + -69

Combine like terms: 69 + -69 = 0
0 + -3u = 12 + -69
-3u = 12 + -69

Combine like terms: 12 + -69 = -57
-3u = -57

Divide each side by '-3'.
u = 19

Simplifying
u = 19

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