-7x-9y=-20

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Solution for -7x-9y=-20 equation: 


Simplifying
-7x + -9y = -20

Solving
-7x + -9y = -20

Solving for variable 'x'.

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

Add '9y' to each side of the equation.
-7x + -9y + 9y = -20 + 9y

Combine like terms: -9y + 9y = 0
-7x + 0 = -20 + 9y
-7x = -20 + 9y

Divide each side by '-7'.
x = 2.857142857 + -1.285714286y

Simplifying
x = 2.857142857 + -1.285714286y

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