I believe the is b because if you divide 41/45 you get 3.5, round that to get it to 4.0. Hope I help:). Are you in Orva?
6x+8
I attached a photo this app is called Cymath it shows you how to solve your question and it give you the answer
Step-by-step explanation::20x-10x=10x(2-1)=10x
Answer:
a=7
Step-by-step explanation:
6a-42=-7a+49
(add 7a to 6a)
13a-42=49
(add 42 to 49)
13a=91
(divide 91 by 13)
a=7