4u-9=51

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Solution for 4u-9=51 equation: 


Simplifying
4u + -9 = 51

Reorder the terms:
-9 + 4u = 51

Solving
-9 + 4u = 51

Solving for variable 'u'.

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

Add '9' to each side of the equation.
-9 + 9 + 4u = 51 + 9

Combine like terms: -9 + 9 = 0
0 + 4u = 51 + 9
4u = 51 + 9

Combine like terms: 51 + 9 = 60
4u = 60

Divide each side by '4'.
u = 15

Simplifying
u = 15

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