9u-13=u+75

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Solution for 9u-13=u+75 equation:


Simplifying
9u + -13 = u + 75

Reorder the terms:
-13 + 9u = u + 75

Reorder the terms:
-13 + 9u = 75 + u

Solving
-13 + 9u = 75 + u

Solving for variable 'u'.

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

Add '-1u' to each side of the equation.
-13 + 9u + -1u = 75 + u + -1u

Combine like terms: 9u + -1u = 8u
-13 + 8u = 75 + u + -1u

Combine like terms: u + -1u = 0
-13 + 8u = 75 + 0
-13 + 8u = 75

Add '13' to each side of the equation.
-13 + 13 + 8u = 75 + 13

Combine like terms: -13 + 13 = 0
0 + 8u = 75 + 13
8u = 75 + 13

Combine like terms: 75 + 13 = 88
8u = 88

Divide each side by '8'.
u = 11

Simplifying
u = 11

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