2u+20-10+3u=20

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Solution for 2u+20-10+3u=20 equation: 


Simplifying
2u + 20 + -10 + 3u = 20

Reorder the terms:
20 + -10 + 2u + 3u = 20

Combine like terms: 20 + -10 = 10
10 + 2u + 3u = 20

Combine like terms: 2u + 3u = 5u
10 + 5u = 20

Solving
10 + 5u = 20

Solving for variable 'u'.

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

Add '-10' to each side of the equation.
10 + -10 + 5u = 20 + -10

Combine like terms: 10 + -10 = 0
0 + 5u = 20 + -10
5u = 20 + -10

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

Divide each side by '5'.
u = 2

Simplifying
u = 2

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