51=5u-89

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Solution for 51=5u-89 equation:


Simplifying
51 = 5u + -89

Reorder the terms:
51 = -89 + 5u

Solving
51 = -89 + 5u

Solving for variable 'u'.

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

Add '-5u' to each side of the equation.
51 + -5u = -89 + 5u + -5u

Combine like terms: 5u + -5u = 0
51 + -5u = -89 + 0
51 + -5u = -89

Add '-51' to each side of the equation.
51 + -51 + -5u = -89 + -51

Combine like terms: 51 + -51 = 0
0 + -5u = -89 + -51
-5u = -89 + -51

Combine like terms: -89 + -51 = -140
-5u = -140

Divide each side by '-5'.
u = 28

Simplifying
u = 28

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