71=4u+15

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Solution for 71=4u+15 equation:


Simplifying
71 = 4u + 15

Reorder the terms:
71 = 15 + 4u

Solving
71 = 15 + 4u

Solving for variable 'u'.

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

Add '-4u' to each side of the equation.
71 + -4u = 15 + 4u + -4u

Combine like terms: 4u + -4u = 0
71 + -4u = 15 + 0
71 + -4u = 15

Add '-71' to each side of the equation.
71 + -71 + -4u = 15 + -71

Combine like terms: 71 + -71 = 0
0 + -4u = 15 + -71
-4u = 15 + -71

Combine like terms: 15 + -71 = -56
-4u = -56

Divide each side by '-4'.
u = 14

Simplifying
u = 14

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