Question

Charlie solved an equation, as shown below:

Step 1: 5x = 30

Step 2: x = 30 - 5

Step 3: x = 25

Is Charlie's solution correct or incorrect? If the solution is incorrect, explain why it is incorrect and show the correct steps to solve the equation.

Answer 1

Charlie is incorrect because he should have divided the 5. So it would x=30/5 =6. to check your work go 6x5 which equals 30.