50-2x=4(x-20)

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Solution for 50-2x=4(x-20) equation: 


Simplifying
50 + -2x = 4(x + -20)

Reorder the terms:
50 + -2x = 4(-20 + x)
50 + -2x = (-20 * 4 + x * 4)
50 + -2x = (-80 + 4x)

Solving
50 + -2x = -80 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
50 + -2x + -4x = -80 + 4x + -4x

Combine like terms: -2x + -4x = -6x
50 + -6x = -80 + 4x + -4x

Combine like terms: 4x + -4x = 0
50 + -6x = -80 + 0
50 + -6x = -80

Add '-50' to each side of the equation.
50 + -50 + -6x = -80 + -50

Combine like terms: 50 + -50 = 0
0 + -6x = -80 + -50
-6x = -80 + -50

Combine like terms: -80 + -50 = -130
-6x = -130

Divide each side by '-6'.
x = 21.66666667

Simplifying
x = 21.66666667

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