9-27 Solving multi-step equations

Answers to the homework from the weekend, page 37:

11a     -11/2
11b     10/8
11c     9/10
11d     5
12a     z = 0

In-class  problems and homework for 9-27 and 9-28:

page 37; items 12b, 12c
page 38; items 1, 2, 3, 4, 5, 6, 7, 8