Question

the sum of three consecutive multiples of 7 is 84find the three multiples

please help me

Answer 1

didn't get the right answer

Answer 2

$7x + 7( x + 1) + 7(x + 2) = \\ 7(3x + 3) = 84 \\ 3x + 3 = 12 \\ 3x = 9 \\ x = 3$
the multiples are 21;28;35