x+3=y

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Solution for x+3=y equation: 


Simplifying
x + 3 = y

Reorder the terms:
3 + x = y

Solving
3 + x = y

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + x = -3 + y

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

Simplifying
x = -3 + y

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