Question

What is the value of a in the equation 3a+b=54, when b=9

Answer 1

3a + 9 = 54
Do the opposite operation on 9 so you can get the like terms one side.
3a = 45
Then divide 3 on both side to get the variable by itself.
a = 15

Answer 2

Answer:

fifteen

Step-by-step explanation:

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