-u-2=2u-20

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


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

Reorder the terms:
-2 + -1u = 2u + -20

Reorder the terms:
-2 + -1u = -20 + 2u

Solving
-2 + -1u = -20 + 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.
-2 + -1u + -2u = -20 + 2u + -2u

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

Combine like terms: 2u + -2u = 0
-2 + -3u = -20 + 0
-2 + -3u = -20

Add '2' to each side of the equation.
-2 + 2 + -3u = -20 + 2

Combine like terms: -2 + 2 = 0
0 + -3u = -20 + 2
-3u = -20 + 2

Combine like terms: -20 + 2 = -18
-3u = -18

Divide each side by '-3'.
u = 6

Simplifying
u = 6

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