-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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