21u+69=972

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Solution for 21u+69=972 equation: 


Simplifying
21u + 69 = 972

Reorder the terms:
69 + 21u = 972

Solving
69 + 21u = 972

Solving for variable 'u'.

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

Add '-69' to each side of the equation.
69 + -69 + 21u = 972 + -69

Combine like terms: 69 + -69 = 0
0 + 21u = 972 + -69
21u = 972 + -69

Combine like terms: 972 + -69 = 903
21u = 903

Divide each side by '21'.
u = 43

Simplifying
u = 43

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