5x+4y+20=0

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Solution for 5x+4y+20=0 equation:


Simplifying
5x + 4y + 20 = 0

Reorder the terms:
20 + 5x + 4y = 0

Solving
20 + 5x + 4y = 0

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + 5x + -20 + 4y = 0 + -20

Reorder the terms:
20 + -20 + 5x + 4y = 0 + -20

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

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

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

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

Divide each side by '5'.
x = -4 + -0.8y

Simplifying
x = -4 + -0.8y

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