2r-4y=20

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Solution for 2r-4y=20 equation: 


Simplifying
2r + -4y = 20

Solving
2r + -4y = 20

Solving for variable 'r'.

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

Add '4y' to each side of the equation.
2r + -4y + 4y = 20 + 4y

Combine like terms: -4y + 4y = 0
2r + 0 = 20 + 4y
2r = 20 + 4y

Divide each side by '2'.
r = 10 + 2y

Simplifying
r = 10 + 2y

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