9u=8u-3

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Solution for 9u=8u-3 equation: 


Simplifying
9u = 8u + -3

Reorder the terms:
9u = -3 + 8u

Solving
9u = -3 + 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.
9u + -8u = -3 + 8u + -8u

Combine like terms: 9u + -8u = 1u
1u = -3 + 8u + -8u

Combine like terms: 8u + -8u = 0
1u = -3 + 0
1u = -3

Divide each side by '1'.
u = -3

Simplifying
u = -3

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