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

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Solution for (3x-y+1)-(x-y)+(y-x)= equation:


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

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

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

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

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

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

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

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

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

Solving
1 + 1x + y = 0

Solving for variable 'x'.

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

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

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

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

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

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

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

Divide each side by '1'.
x = -1 + -1y

Simplifying
x = -1 + -1y

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