8u=7+9u

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Solution for 8u=7+9u equation: 


Simplifying
8u = 7 + 9u

Solving
8u = 7 + 9u

Solving for variable 'u'.

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

Add '-9u' to each side of the equation.
8u + -9u = 7 + 9u + -9u

Combine like terms: 8u + -9u = -1u
-1u = 7 + 9u + -9u

Combine like terms: 9u + -9u = 0
-1u = 7 + 0
-1u = 7

Divide each side by '-1'.
u = -7

Simplifying
u = -7

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