100-4x=2x+20

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Solution for 100-4x=2x+20 equation:


Simplifying
100 + -4x = 2x + 20

Reorder the terms:
100 + -4x = 20 + 2x

Solving
100 + -4x = 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.
100 + -4x + -2x = 20 + 2x + -2x

Combine like terms: -4x + -2x = -6x
100 + -6x = 20 + 2x + -2x

Combine like terms: 2x + -2x = 0
100 + -6x = 20 + 0
100 + -6x = 20

Add '-100' to each side of the equation.
100 + -100 + -6x = 20 + -100

Combine like terms: 100 + -100 = 0
0 + -6x = 20 + -100
-6x = 20 + -100

Combine like terms: 20 + -100 = -80
-6x = -80

Divide each side by '-6'.
x = 13.33333333

Simplifying
x = 13.33333333

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