3x-6y=9

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Solution for 3x-6y=9 equation: 


Simplifying
3x + -6y = 9

Solving
3x + -6y = 9

Solving for variable 'x'.

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

Add '6y' to each side of the equation.
3x + -6y + 6y = 9 + 6y

Combine like terms: -6y + 6y = 0
3x + 0 = 9 + 6y
3x = 9 + 6y

Divide each side by '3'.
x = 3 + 2y

Simplifying
x = 3 + 2y

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