3y-x-9=0

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Solution for 3y-x-9=0 equation:


Simplifying
3y + -1x + -9 = 0

Reorder the terms:
-9 + -1x + 3y = 0

Solving
-9 + -1x + 3y = 0

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + -1x + 9 + 3y = 0 + 9

Reorder the terms:
-9 + 9 + -1x + 3y = 0 + 9

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

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

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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