-1+2u=3u-20

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Solution for -1+2u=3u-20 equation:


Simplifying
-1 + 2u = 3u + -20

Reorder the terms:
-1 + 2u = -20 + 3u

Solving
-1 + 2u = -20 + 3u

Solving for variable 'u'.

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

Add '-3u' to each side of the equation.
-1 + 2u + -3u = -20 + 3u + -3u

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

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

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

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

Combine like terms: -20 + 1 = -19
-1u = -19

Divide each side by '-1'.
u = 19

Simplifying
u = 19

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