Question

3a - 15 = 21 Please answer my question ​

Answer 1

Answer:

$3a - 15 = 21 \\ = 3a = 21 - 15 \\ = 3a = 6 \\ = a = 2$

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Answer 2

Answer:

in this case we have to put a value of a to satisfy the equation

here if we put the value of a =12 then we get 36 and if we subtract 15 from 36 we get 21 (mark me as brainliest or follow me)

Step-by-step explanation: