9(u+4)=72

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Solution for 9(u+4)=72 equation: 


Simplifying
9(u + 4) = 72

Reorder the terms:
9(4 + u) = 72
(4 * 9 + u * 9) = 72
(36 + 9u) = 72

Solving
36 + 9u = 72

Solving for variable 'u'.

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

Add '-36' to each side of the equation.
36 + -36 + 9u = 72 + -36

Combine like terms: 36 + -36 = 0
0 + 9u = 72 + -36
9u = 72 + -36

Combine like terms: 72 + -36 = 36
9u = 36

Divide each side by '9'.
u = 4

Simplifying
u = 4

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