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What is the value of a in the equation 3a+b = 54, when b = 9? 15 18 21 27

What is the value of a in the equation 3a+b = 54, when b = 9? 15 18 21 27
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2 votes
What is the value of a in the equation 3a+b = 54, when b = 9?
15
18
21
27

User Alex Rmcf
by
7.5k points

2 Answers

6 votes
Answer
15
Step by step explanation
3a + 9 = 54
3a = 54-9
a = 45/3
a = 15
Hope it helped
Put your comments below
User Stevemac
by
8.1k points
5 votes

Answer:

15

Explanation:

3a+9=54

-9 -9

3a=45

:3 :3

a=15

User Michelle Welcks
by
8.4k points
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