Question

Leonardo is solving the equation 4 (x minus one-fifth) = 2 and two-thirds. His work is shown. Where is his error?

Answer 1

his error is on step 3. he has to multiply 5 by 3 to get to 15 but he must do that on the top of the equation as well.
he did 4 x 4 = 16
but he needed to do 4 x 3 = 12

12/15