20u+-u+-16u=-15

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Solution for 20u+-u+-16u=-15 equation: 


Simplifying
20u + -1u + -16u = -15

Combine like terms: 20u + -1u = 19u
19u + -16u = -15

Combine like terms: 19u + -16u = 3u
3u = -15

Solving
3u = -15

Solving for variable 'u'.

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

Divide each side by '3'.
u = -5

Simplifying
u = -5

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