4u-18=42

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Solution for 4u-18=42 equation: 


Simplifying
4u + -18 = 42

Reorder the terms:
-18 + 4u = 42

Solving
-18 + 4u = 42

Solving for variable 'u'.

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

Add '18' to each side of the equation.
-18 + 18 + 4u = 42 + 18

Combine like terms: -18 + 18 = 0
0 + 4u = 42 + 18
4u = 42 + 18

Combine like terms: 42 + 18 = 60
4u = 60

Divide each side by '4'.
u = 15

Simplifying
u = 15

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