The perimeter of a rectangle is 80 cm. The width is 15 cm. Let x - the length of the rectangle. Jorge says he can determine the length using the equation 2(x+15)=80 Mia says she can determine the length using the equation 2x+30 + 80 Complete the sentences to show how to solve the equations and to compare the steps and solutions. To solve Jorge's equation, first? Then?
To solve mia's equation, first? Then?