Question

A student's work to solve an equation is shown.

Answer 1

9514 1404 393

Answer:

• incorrectly
• one solution

Explanation:

The third line of the solution is incorrect. It should be ...

5x +2 = -5x +2

Then the one solution can be found:

10x = 0 . . . . . . . . . add 5x-2 to both sides

x = 0