2u-u+3u-4u+2u=20

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Solution for 2u-u+3u-4u+2u=20 equation: 


Simplifying
2u + -1u + 3u + -4u + 2u = 20

Combine like terms: 2u + -1u = 1u
1u + 3u + -4u + 2u = 20

Combine like terms: 1u + 3u = 4u
4u + -4u + 2u = 20

Combine like terms: 4u + -4u = 0
0 + 2u = 20
2u = 20

Solving
2u = 20

Solving for variable 'u'.

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

Divide each side by '2'.
u = 10

Simplifying
u = 10

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