Question

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

Answer 1

Answer
15
Step by step explanation
3a + 9 = 54
3a = 54-9
a = 45/3
a = 15
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Answer 2

Answer:

15

Step-by-step explanation:

3a+9=54

-9        -9

3a=45

:3     :3

a=15