asked 9.3k views
5 votes
3a+b=54 when b=9 what is the value of a

2 Answers

5 votes
54-9=45
45/3a=15
a=15 hope this helps
answered
User Thelonious
by
8.3k points
2 votes
Answer: a = 15

3a + 9 = 54

3a = 54 - 9

a =
(54-9)/(3)

a =
(45)/(3)

a = 15

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