9-5u=8+u

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Solution for 9-5u=8+u equation:


Simplifying
9 + -5u = 8 + u

Solving
9 + -5u = 8 + 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.
9 + -5u + -1u = 8 + u + -1u

Combine like terms: -5u + -1u = -6u
9 + -6u = 8 + u + -1u

Combine like terms: u + -1u = 0
9 + -6u = 8 + 0
9 + -6u = 8

Add '-9' to each side of the equation.
9 + -9 + -6u = 8 + -9

Combine like terms: 9 + -9 = 0
0 + -6u = 8 + -9
-6u = 8 + -9

Combine like terms: 8 + -9 = -1
-6u = -1

Divide each side by '-6'.
u = 0.1666666667

Simplifying
u = 0.1666666667

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