x-20=2x-40

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Solution for x-20=2x-40 equation:


Simplifying
x + -20 = 2x + -40

Reorder the terms:
-20 + x = 2x + -40

Reorder the terms:
-20 + x = -40 + 2x

Solving
-20 + x = -40 + 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 + x + -2x = -40 + 2x + -2x

Combine like terms: x + -2x = -1x
-20 + -1x = -40 + 2x + -2x

Combine like terms: 2x + -2x = 0
-20 + -1x = -40 + 0
-20 + -1x = -40

Add '20' to each side of the equation.
-20 + 20 + -1x = -40 + 20

Combine like terms: -20 + 20 = 0
0 + -1x = -40 + 20
-1x = -40 + 20

Combine like terms: -40 + 20 = -20
-1x = -20

Divide each side by '-1'.
x = 20

Simplifying
x = 20

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