15u+3u+3u-20u+4u=20

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Solution for 15u+3u+3u-20u+4u=20 equation: 


Simplifying
15u + 3u + 3u + -20u + 4u = 20

Combine like terms: 15u + 3u = 18u
18u + 3u + -20u + 4u = 20

Combine like terms: 18u + 3u = 21u
21u + -20u + 4u = 20

Combine like terms: 21u + -20u = 1u
1u + 4u = 20

Combine like terms: 1u + 4u = 5u
5u = 20

Solving
5u = 20

Solving for variable 'u'.

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

Divide each side by '5'.
u = 4

Simplifying
u = 4

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