20=4x-5y

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Solution for 20=4x-5y equation: 


Simplifying
20 = 4x + -5y

Solving
20 = 4x + -5y

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
20 + -4x = 4x + -4x + -5y

Combine like terms: 4x + -4x = 0
20 + -4x = 0 + -5y
20 + -4x = -5y

Add '-20' to each side of the equation.
20 + -20 + -4x = -20 + -5y

Combine like terms: 20 + -20 = 0
0 + -4x = -20 + -5y
-4x = -20 + -5y

Divide each side by '-4'.
x = 5 + 1.25y

Simplifying
x = 5 + 1.25y

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