Question

3a+b=54 when b=9 what is the value of a

Answer 1

54-9=45
45/3a=15
a=15 hope this helps

Answer 2

Answer: a = 15

3a + 9 = 54

3a = 54 - 9

a =
`(54-9)/(3)`

a =
`(45)/(3)`

a = 15