X+42=Y

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Solution for X+42=Y equation: 


Simplifying
X + 42 = Y

Reorder the terms:
42 + X = Y

Solving
42 + X = Y

Solving for variable 'X'.

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

Add '-42' to each side of the equation.
42 + -42 + X = -42 + Y

Combine like terms: 42 + -42 = 0
0 + X = -42 + Y
X = -42 + Y

Simplifying
X = -42 + Y

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