-9x-2y=7

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Solution for -9x-2y=7 equation: 


Simplifying
-9x + -2y = 7

Solving
-9x + -2y = 7

Solving for variable 'x'.

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

Add '2y' to each side of the equation.
-9x + -2y + 2y = 7 + 2y

Combine like terms: -2y + 2y = 0
-9x + 0 = 7 + 2y
-9x = 7 + 2y

Divide each side by '-9'.
x = -0.7777777778 + -0.2222222222y

Simplifying
x = -0.7777777778 + -0.2222222222y

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