2x-20=40-x

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


Simplifying
2x + -20 = 40 + -1x

Reorder the terms:
-20 + 2x = 40 + -1x

Solving
-20 + 2x = 40 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-20 + 2x + x = 40 + -1x + x

Combine like terms: 2x + x = 3x
-20 + 3x = 40 + -1x + x

Combine like terms: -1x + x = 0
-20 + 3x = 40 + 0
-20 + 3x = 40

Add '20' to each side of the equation.
-20 + 20 + 3x = 40 + 20

Combine like terms: -20 + 20 = 0
0 + 3x = 40 + 20
3x = 40 + 20

Combine like terms: 40 + 20 = 60
3x = 60

Divide each side by '3'.
x = 20

Simplifying
x = 20

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