(x+3y)+(-3x-y)-(x-y)=

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


Simplifying
(x + 3y) + (-3x + -1y) + -1(x + -1y) = 0

Remove parenthesis around (x + 3y)
x + 3y + (-3x + -1y) + -1(x + -1y) = 0

Remove parenthesis around (-3x + -1y)
x + 3y + -3x + -1y + -1(x + -1y) = 0
x + 3y + -3x + -1y + (x * -1 + -1y * -1) = 0
x + 3y + -3x + -1y + (-1x + 1y) = 0

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

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

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

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

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

Solving
-3x + 3y = 0

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.
-3x + 3y + -3y = 0 + -3y

Combine like terms: 3y + -3y = 0
-3x + 0 = 0 + -3y
-3x = 0 + -3y
Remove the zero:
-3x = -3y

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

Simplifying
x = y

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