3x-3y=x+y

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Solution for 3x-3y=x+y equation:


Simplifying
3x + -3y = x + y

Solving
3x + -3y = x + y

Solving for variable 'x'.

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

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

Combine like terms: 3x + -1x = 2x
2x + -3y = x + -1x + y

Combine like terms: x + -1x = 0
2x + -3y = 0 + y
2x + -3y = y

Add '3y' to each side of the equation.
2x + -3y + 3y = y + 3y

Combine like terms: -3y + 3y = 0
2x + 0 = y + 3y
2x = y + 3y

Combine like terms: y + 3y = 4y
2x = 4y

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

Simplifying
x = 2y

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