4u-8=72

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Solution for 4u-8=72 equation: 


Simplifying
4u + -8 = 72

Reorder the terms:
-8 + 4u = 72

Solving
-8 + 4u = 72

Solving for variable 'u'.

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

Add '8' to each side of the equation.
-8 + 8 + 4u = 72 + 8

Combine like terms: -8 + 8 = 0
0 + 4u = 72 + 8
4u = 72 + 8

Combine like terms: 72 + 8 = 80
4u = 80

Divide each side by '4'.
u = 20

Simplifying
u = 20

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