Question

Consider this equation and the steps taken to solve it.

–9(a – 5) = –18 (distribute)

–9a + 45 = –18 (subtract 45)

–9a = –63 (divide by –9)


a = 7

What steps might you take to verify the solution? Check all that apply.

Answer 1

Answer:

The CORRECT answer is:

a. Substitute 7 for a.

c. Simplify the equation after substituting the value for a.

d. Verify that a = 7 is correct when the result is a true statement