3x+y-(x+2y)=

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Solution for 3x+y-(x+2y)= equation:


Simplifying
3x + y + -1(x + 2y) = 0
3x + y + (x * -1 + 2y * -1) = 0
3x + y + (-1x + -2y) = 0

Reorder the terms:
3x + -1x + y + -2y = 0

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

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

Solving
2x + -1y = 0

Solving for variable 'x'.

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

Add 'y' to each side of the equation.
2x + -1y + y = 0 + y

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

Divide each side by '2'.
x = 0.5y

Simplifying
x = 0.5y

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