-2u+9u-8u=7

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Solution for -2u+9u-8u=7 equation: 


Simplifying
-2u + 9u + -8u = 7

Combine like terms: -2u + 9u = 7u
7u + -8u = 7

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

Solving
-1u = 7

Solving for variable 'u'.

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

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

Simplifying
u = -7

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