20-2x=y

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Solution for 20-2x=y equation: 


Simplifying
20 + -2x = y

Solving
20 + -2x = y

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + -2x = -20 + y

Combine like terms: 20 + -20 = 0
0 + -2x = -20 + y
-2x = -20 + y

Divide each side by '-2'.
x = 10 + -0.5y

Simplifying
x = 10 + -0.5y

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