2x-x-1=19

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Solution for 2x-x-1=19 equation:


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

Reorder the terms:
-1 + 2x + -1x = 19

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

Solving
-1 + 1x = 19

Solving for variable 'x'.

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

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

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

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

Divide each side by '1'.
x = 20

Simplifying
x = 20

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