4+2x=y

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Solution for 4+2x=y equation: 


Simplifying
4 + 2x = y

Solving
4 + 2x = y

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 2x = -4 + y

Combine like terms: 4 + -4 = 0
0 + 2x = -4 + y
2x = -4 + y

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

Simplifying
x = -2 + 0.5y

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