20-x=19-2x

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Solution for 20-x=19-2x equation:


Simplifying
20 + -1x = 19 + -2x

Solving
20 + -1x = 19 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
20 + -1x + 2x = 19 + -2x + 2x

Combine like terms: -1x + 2x = 1x
20 + 1x = 19 + -2x + 2x

Combine like terms: -2x + 2x = 0
20 + 1x = 19 + 0
20 + 1x = 19

Add '-20' to each side of the equation.
20 + -20 + 1x = 19 + -20

Combine like terms: 20 + -20 = 0
0 + 1x = 19 + -20
1x = 19 + -20

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

Divide each side by '1'.
x = -1

Simplifying
x = -1

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