69=4u+9

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Solution for 69=4u+9 equation:


Simplifying
69 = 4u + 9

Reorder the terms:
69 = 9 + 4u

Solving
69 = 9 + 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.
69 + -4u = 9 + 4u + -4u

Combine like terms: 4u + -4u = 0
69 + -4u = 9 + 0
69 + -4u = 9

Add '-69' to each side of the equation.
69 + -69 + -4u = 9 + -69

Combine like terms: 69 + -69 = 0
0 + -4u = 9 + -69
-4u = 9 + -69

Combine like terms: 9 + -69 = -60
-4u = -60

Divide each side by '-4'.
u = 15

Simplifying
u = 15

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