6u-9u=-7(-8)

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Solution for 6u-9u=-7(-8) equation: 


Simplifying
6u + -9u = -7(-8)

Combine like terms: 6u + -9u = -3u
-3u = -7(-8)

Multiply -7 * -8
-3u = 56

Solving
-3u = 56

Solving for variable 'u'.

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

Divide each side by '-3'.
u = -18.66666667

Simplifying
u = -18.66666667

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