Question

Cathey solved the given equation.

When she “checked back”,her solution didnt work.

What was her error?

“Grade” her paper and provide helpful feedback below.

Answer 1

Instead of dividing she subtracted

Answer 2

Her error was that she attempted to subtract 4 from 4x, when she needed to divide.

Explanation:

Instead, to cancel out the 4, she should have divided both sides by 4 to get the correct value for x.