3y-x=-9

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Solution for 3y-x=-9 equation: 


Simplifying
3y + -1x = -9

Reorder the terms:
-1x + 3y = -9

Solving
-1x + 3y = -9

Solving for variable 'x'.

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

Add '-3y' to each side of the equation.
-1x + 3y + -3y = -9 + -3y

Combine like terms: 3y + -3y = 0
-1x + 0 = -9 + -3y
-1x = -9 + -3y

Divide each side by '-1'.
x = 9 + 3y

Simplifying
x = 9 + 3y

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