8-9u=-8u

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


Simplifying
8 + -9u = -8u

Solving
8 + -9u = -8u

Solving for variable 'u'.

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

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

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

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

Add '-8' to each side of the equation.
8 + -8 + -1u = 0 + -8

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

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

Divide each side by '-1'.
u = 8

Simplifying
u = 8

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