If your looking for the sum, it would be -5 :)
Answer:
y =
+3
Step-by-step explanation:
Answer:Side x side x side
Step-by-step explanation:
Since it is usually equally sided, it would be SxSxS
A.

B.

Megan's solution isn't correct.
The first mistake: she subtracted 5x from the right-hand side of the equation, but added 5x to the left-hand side.
The second mistake: she divided the right-hand side of the equation by 11, but didn't divide the left-hand side.
The correct solution: