-9x-7y=20

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


Simplifying
-9x + -7y = 20

Solving
-9x + -7y = 20

Solving for variable 'x'.

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

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

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

Divide each side by '-9'.
x = -2.222222222 + -0.7777777778y

Simplifying
x = -2.222222222 + -0.7777777778y

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