X is a number. It is divided by 3, and 5 is subtracted from result is then multiplied by 7. lf the final answer is 28 what number is X

Respuesta :

7(1/3x- 5) = 28
7/3x - 35 = 28
7/3x = 28 + 35
7/3x = 63
x = 63 * 3/7
x = 189/7 = 27 <==