You can solve many problems by modeling procedures introduced in this section other than t...

You can solve many problems by modeling procedures introduced in this section other than those presented in the examples in the section. Here are some types for you to try.

Explain whether the equations in each pair are equivalent.

a. x2 = x. x = 1

b. x2 = 9 x = 3

c. x2 – 1 = x – 1, x = 0

d.