50-x=20

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Solution for 50-x=20 equation: 


Simplifying
50 + -1x = 20

Solving
50 + -1x = 20

Solving for variable 'x'.

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

Add '-50' to each side of the equation.
50 + -50 + -1x = 20 + -50

Combine like terms: 50 + -50 = 0
0 + -1x = 20 + -50
-1x = 20 + -50

Combine like terms: 20 + -50 = -30
-1x = -30

Divide each side by '-1'.
x = 30

Simplifying
x = 30

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