Solve the equation
3x-3=18
a)x=-7
b)x=-5
c)x=-3
d)x=5

3x - 3 = 18

3x - 3 + 3 = 18 + 3

3x = 21

3x/3 = 21/3

x = 7

Answer for 2: his profit would be $2.88 explanation: you have to first multiply 72 and 0.12 together to get $8.64 once you do that you know how much money the shopkeeper made from selling the candy bars individually. so you have to do 8.64-5.76=2.88 hope that ; )answer for 3: yeah i’m sorry i have no idea what number 3 is. i’m sorry i couldn’t with that.