| a). |
b). |
c). |
| a). x - y = |
b). z y - x = |
| c). x y z = |
d). |
| a). x + 9 = 15 x = ______ |
b). 3x - 4 = 17 x = ______ |
| c). 8 - 2x = 4 x = ______ |
d). x = ______ |
| e). x = ______ |
f). 18 - 4x = 2 x = ______ |
| g). 9x - 7 = 20 x = ______ |
h). x = ______ |