Answer:
a) x = 88/1.1 = 80
b) z = 5.6
c) w = 18
Explanation:
a) Not much to say here, divide both sides by 1.1
b) Subtract 2.34 from both sides to isolate z and you will get 5.6
c) You can multiply each side by 3 first than divide by 2 OR you can multiply both sides by 3/2 to get w = 18.