82+7-u=30

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Solution for 82+7-u=30 equation:


Simplifying
82 + 7 + -1u = 30

Combine like terms: 82 + 7 = 89
89 + -1u = 30

Solving
89 + -1u = 30

Solving for variable 'u'.

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

Add '-89' to each side of the equation.
89 + -89 + -1u = 30 + -89

Combine like terms: 89 + -89 = 0
0 + -1u = 30 + -89
-1u = 30 + -89

Combine like terms: 30 + -89 = -59
-1u = -59

Divide each side by '-1'.
u = 59

Simplifying
u = 59

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