3u+15=72

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Solution for 3u+15=72 equation: 


Simplifying
3u + 15 = 72

Reorder the terms:
15 + 3u = 72

Solving
15 + 3u = 72

Solving for variable 'u'.

Move all terms containing u to the left, all other terms to the right.

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

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

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

Divide each side by '3'.
u = 19

Simplifying
u = 19

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