7u+25=81

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Solution for 7u+25=81 equation: 


Simplifying
7u + 25 = 81

Reorder the terms:
25 + 7u = 81

Solving
25 + 7u = 81

Solving for variable 'u'.

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

Add '-25' to each side of the equation.
25 + -25 + 7u = 81 + -25

Combine like terms: 25 + -25 = 0
0 + 7u = 81 + -25
7u = 81 + -25

Combine like terms: 81 + -25 = 56
7u = 56

Divide each side by '7'.
u = 8

Simplifying
u = 8

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