Fast ‼️‼️‼️ show all work‼️‼️‼️ very easy‼️‼️‼️

Step-by-step explanation:

1. x + 5.3 = 10.1

combine the like terms

x = 10.1 - 5.3

x = 4.8

2. x - 4.2 = 12.9

combine the like terms

x = 12.9 + 4.2

x = 17.1

3. 1.5x = 60

divide both sides by 1.5

x = 60/1.5

x = 40

4. x/1.3 = 1.8

cross multiply

1.3 goes to 1.8 and x stands alone

x = 2.34

Hope this helps

none of these

step-by-step explanation:

23 + 34 add up to 57 so just inform the teacher of this really stupid mistake

60: 45 =12: 9 =4: 3 so the answer is 4: 3