20y-2x=90

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Solution for 20y-2x=90 equation: 


Simplifying
20y + -2x = 90

Reorder the terms:
-2x + 20y = 90

Solving
-2x + 20y = 90

Solving for variable 'x'.

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

Add '-20y' to each side of the equation.
-2x + 20y + -20y = 90 + -20y

Combine like terms: 20y + -20y = 0
-2x + 0 = 90 + -20y
-2x = 90 + -20y

Divide each side by '-2'.
x = -45 + 10y

Simplifying
x = -45 + 10y

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