Make the numbers in the equation 16 × () - () 1 / 9 × 3 = 51 () the same

Make the numbers in the equation 16 × () - () 1 / 9 × 3 = 51 () the same


16 × () - () 1 / 9 × 3 = 51
16×( )-( )×27=51
-( )×11=51
() = - 51 / 11



In order to make the equation "16 * () - () / 1 / 9) * 3 = 51" true, the space represents the number
Come on!
In order to make the equation "(16 * () - () / 1 / 9) * 3 = 51" hold, the space represents several. ()) denotes the same number


x=17/7