9=3x-3y

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Solution for 9=3x-3y equation:


Simplifying
9 = 3x + -3y

Solving
9 = 3x + -3y

Solving for variable 'x'.

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

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

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

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

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

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

Simplifying
x = 3 + y

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