20-4x=x-20

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Solution for 20-4x=x-20 equation:


Simplifying
20 + -4x = x + -20

Reorder the terms:
20 + -4x = -20 + x

Solving
20 + -4x = -20 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
20 + -4x + -1x = -20 + x + -1x

Combine like terms: -4x + -1x = -5x
20 + -5x = -20 + x + -1x

Combine like terms: x + -1x = 0
20 + -5x = -20 + 0
20 + -5x = -20

Add '-20' to each side of the equation.
20 + -20 + -5x = -20 + -20

Combine like terms: 20 + -20 = 0
0 + -5x = -20 + -20
-5x = -20 + -20

Combine like terms: -20 + -20 = -40
-5x = -40

Divide each side by '-5'.
x = 8

Simplifying
x = 8

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