x+40=2x-20

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


Simplifying
x + 40 = 2x + -20

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

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

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

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

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

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

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

Combine like terms: -20 + -40 = -60
-1x = -60

Divide each side by '-1'.
x = 60

Simplifying
x = 60

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