-4x-5y=20

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Solution for -4x-5y=20 equation: 


Simplifying
-4x + -5y = 20

Solving
-4x + -5y = 20

Solving for variable 'x'.

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

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

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

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

Simplifying
x = -5 + -1.25y

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