2x-9=y

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Solution for 2x-9=y equation: 


Simplifying
2x + -9 = y

Reorder the terms:
-9 + 2x = y

Solving
-9 + 2x = y

Solving for variable 'x'.

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

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

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

Divide each side by '2'.
x = 4.5 + 0.5y

Simplifying
x = 4.5 + 0.5y

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