-6u-u=-20

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Solution for -6u-u=-20 equation: 


Simplifying
-6u + -1u = -20

Combine like terms: -6u + -1u = -7u
-7u = -20

Solving
-7u = -20

Solving for variable 'u'.

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

Divide each side by '-7'.
u = 2.857142857

Simplifying
u = 2.857142857

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