x-4y=-20

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Solution for x-4y=-20 equation: 


Simplifying
x + -4y = -20

Solving
x + -4y = -20

Solving for variable 'x'.

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

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

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

Simplifying
x = -20 + 4y

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