y+2y+x=680

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Solution for y+2y+x=680 equation: 


Simplifying
y + 2y + x = 680

Reorder the terms:
x + y + 2y = 680

Combine like terms: y + 2y = 3y
x + 3y = 680

Solving
x + 3y = 680

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.
x + 3y + -3y = 680 + -3y

Combine like terms: 3y + -3y = 0
x + 0 = 680 + -3y
x = 680 + -3y

Simplifying
x = 680 + -3y

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