Beginning & Intermediate Algebra
Which formal statement correctly expresses the multiplication property of equality?
Solve for x using the multiplication property of equality: x/5 = 7.
Solve the equation (1/2)x + 1/3 = 7/6.
A baker uses 2/5 cup of sugar per batch of cookies. If the baker used 7 cups of sugar total, how many batches were made?
A classmate solved 3x = 12 by multiplying both sides by 3 and then dividing by x, claiming x = 4. Which evaluation best describes the mistake and why?