30-2x=y

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Solution for 30-2x=y equation: 


Simplifying
30 + -2x = y

Solving
30 + -2x = y

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + -2x = -30 + y

Combine like terms: 30 + -30 = 0
0 + -2x = -30 + y
-2x = -30 + y

Divide each side by '-2'.
x = 15 + -0.5y

Simplifying
x = 15 + -0.5y

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