X-1=2y

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Solution for X-1=2y equation: 


Simplifying
X + -1 = 2y

Reorder the terms:
-1 + X = 2y

Solving
-1 + X = 2y

Solving for variable 'X'.

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

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

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

Simplifying
X = 1 + 2y

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