-20-2-2u=u+20

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


Simplifying
-20 + -2 + -2u = u + 20

Combine like terms: -20 + -2 = -22
-22 + -2u = u + 20

Reorder the terms:
-22 + -2u = 20 + u

Solving
-22 + -2u = 20 + u

Solving for variable 'u'.

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

Add '-1u' to each side of the equation.
-22 + -2u + -1u = 20 + u + -1u

Combine like terms: -2u + -1u = -3u
-22 + -3u = 20 + u + -1u

Combine like terms: u + -1u = 0
-22 + -3u = 20 + 0
-22 + -3u = 20

Add '22' to each side of the equation.
-22 + 22 + -3u = 20 + 22

Combine like terms: -22 + 22 = 0
0 + -3u = 20 + 22
-3u = 20 + 22

Combine like terms: 20 + 22 = 42
-3u = 42

Divide each side by '-3'.
u = -14

Simplifying
u = -14

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