(3-u)+u=22+2u

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Solution for (3-u)+u=22+2u equation:


Simplifying
(3 + -1u) + u = 22 + 2u

Remove parenthesis around (3 + -1u)
3 + -1u + u = 22 + 2u

Combine like terms: -1u + u = 0
3 + 0 = 22 + 2u
3 = 22 + 2u

Solving
3 = 22 + 2u

Solving for variable 'u'.

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

Add '-2u' to each side of the equation.
3 + -2u = 22 + 2u + -2u

Combine like terms: 2u + -2u = 0
3 + -2u = 22 + 0
3 + -2u = 22

Add '-3' to each side of the equation.
3 + -3 + -2u = 22 + -3

Combine like terms: 3 + -3 = 0
0 + -2u = 22 + -3
-2u = 22 + -3

Combine like terms: 22 + -3 = 19
-2u = 19

Divide each side by '-2'.
u = -9.5

Simplifying
u = -9.5

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