The perimeter of a rectangle is 40 cm. The length is 14 cm. Let x = width of the rectangle Ravi says he can find the width using the equation 2( x + 14) = 40 Fran says she can find the width using the equation 2x + 28 = 40 Answer the the questions to solve the equations and to compare the steps and solutions 4. Which of these is the most helpful first step for solving Fran’s equation, 2x + 28 = 40?

1.Multiply both sides by 2

2.Subtract 28 from both sides

3.Divide both sides by 2

4.Add 28 to both sides