y-x+2x+y=9

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Solution for y-x+2x+y=9 equation:


Simplifying
y + -1x + 2x + y = 9

Reorder the terms:
-1x + 2x + y + y = 9

Combine like terms: -1x + 2x = 1x
1x + y + y = 9

Combine like terms: y + y = 2y
1x + 2y = 9

Solving
1x + 2y = 9

Solving for variable 'x'.

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

Add '-2y' to each side of the equation.
1x + 2y + -2y = 9 + -2y

Combine like terms: 2y + -2y = 0
1x + 0 = 9 + -2y
1x = 9 + -2y

Divide each side by '1'.
x = 9 + -2y

Simplifying
x = 9 + -2y

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