Problem

$-2 y=18$

Answer

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Answer

So, the solution to the equation $-2y = 18$ is $\boxed{y = -9}$

Steps

Step 1 ：Divide both sides of the equation by -2 to solve for y: $\frac{-2y}{-2} = \frac{18}{-2}$

Step 2 ：Simplify to get $y = -9$

Step 3 ：Check the solution by substituting $y = -9$ into the original equation: $-2(-9) = 18$

Step 4 ：Simplify to confirm that the left side equals the right side: $18 = 18$

Step 5 ：So, the solution to the equation $-2y = 18$ is $\boxed{y = -9}$

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