72=3u+15

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Solution for 72=3u+15 equation:


Simplifying
72 = 3u + 15

Reorder the terms:
72 = 15 + 3u

Solving
72 = 15 + 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.
72 + -3u = 15 + 3u + -3u

Combine like terms: 3u + -3u = 0
72 + -3u = 15 + 0
72 + -3u = 15

Add '-72' to each side of the equation.
72 + -72 + -3u = 15 + -72

Combine like terms: 72 + -72 = 0
0 + -3u = 15 + -72
-3u = 15 + -72

Combine like terms: 15 + -72 = -57
-3u = -57

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

Simplifying
u = 19

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