Answer:
x=3.9
Step-by-step explanation: x+5.1=19.2-5.1-5.1, subtract the numbers 19.2-5.1-5.1=9 to get x+5.1=9, subtract 5.1 from both sides x+5.1-5.1=9-5.1 and you get your answer as 3.9.
14.1
Step-by-step explanation:
