Question

Tìm y 

( y - 105 ) : 21 = 15 

Giúp mik nha ! Trình bày nữa nhé

Answer 1

( y - 105 ) : 21 = 15

=> y - 105 = 15.21

=> y - 105 = 315

=> y          = 315 + 105

=> y          = 420

 Vậy y       = 420

Answer 2

( y - 105 ) : 21 = 15 

=> y - 105 = 15 x 21 = 315

=> y = 315 + 105 = 420

=> y = 420

Answer 3

y-105=15.21

y-105=315

y=315+105

y=420

Answer 4

( y - 105 ) : 21 = 15

=> y - 105 = 15.21

=> y - 105 = 315

=> y          = 315 + 105

=> y          = 420

 Vậy y = 420

Answer 5

( y - 105 ) : 21 = 15

y - 105 = 15 x 21 

y - 105 = 315

y = 315 + 105

y = 420

Vậy y = 420

Answer 6

(y- 105) : 21 =15

(y- 105) =15x21

(y- 105) =315

y = 315 + 105

y =      420