102
11
3w -6 = -15 3w = -15+6 3w = -9 w = -3
If: 3w-17 = 4 Then: w = 7
33
12
3w + 4 = 24 .......- 4... - 4 .......3w = 20 .......÷3 ...÷3 .........w = 20/3 or 6.6667
-13
This is an example of the "commutative" property.
t
3w - 2 = 2w + 3 Add 2 to both sides: 3w = 2w + 5 Subtract 2w from both sides: w = 5
w2-3w = 0 w(w-3) = 0 w = 3 or w = 0