x+20x=80-x

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Solution for x+20x=80-x equation: 


Simplifying
x + 20x = 80 + -1x

Combine like terms: x + 20x = 21x
21x = 80 + -1x

Solving
21x = 80 + -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.
21x + x = 80 + -1x + x

Combine like terms: 21x + x = 22x
22x = 80 + -1x + x

Combine like terms: -1x + x = 0
22x = 80 + 0
22x = 80

Divide each side by '22'.
x = 3.636363636

Simplifying
x = 3.636363636

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