18-2y=42

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Solution for 18-2y=42 equation: 


Simplifying
18 + -2y = 42

Solving
18 + -2y = 42

Solving for variable 'y'.

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

Add '-18' to each side of the equation.
18 + -18 + -2y = 42 + -18

Combine like terms: 18 + -18 = 0
0 + -2y = 42 + -18
-2y = 42 + -18

Combine like terms: 42 + -18 = 24
-2y = 24

Divide each side by '-2'.
y = -12

Simplifying
y = -12

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