2x+y+x-y=800

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Solution for 2x+y+x-y=800 equation: 


Simplifying
2x + y + x + -1y = 800

Reorder the terms:
2x + x + y + -1y = 800

Combine like terms: 2x + x = 3x
3x + y + -1y = 800

Combine like terms: y + -1y = 0
3x + 0 = 800
3x = 800

Solving
3x = 800

Solving for variable 'x'.

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

Divide each side by '3'.
x = 266.6666667

Simplifying
x = 266.6666667

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