20u+-3u+-2u+-5u=-20

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Solution for 20u+-3u+-2u+-5u=-20 equation: 


Simplifying
20u + -3u + -2u + -5u = -20

Combine like terms: 20u + -3u = 17u
17u + -2u + -5u = -20

Combine like terms: 17u + -2u = 15u
15u + -5u = -20

Combine like terms: 15u + -5u = 10u
10u = -20

Solving
10u = -20

Solving for variable 'u'.

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

Divide each side by '10'.
u = -2

Simplifying
u = -2

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