a) x:13=41
=> x = 41 x 13
=> x = 533
b) 1428 : x = 14
=> x = 1428 : 14
=> x = 102
c) 7x - 8 = 713
=> 7x = 713 + 8
=> 7x = 721
=> x = 721 : 7
=> x = 103
d) 4x:17=0
=> 4x = 0 x 17
=> 4x = 0
=> x = 0 : 4
=> x = 4
Chọn mình nhé !
a) x : 13 = 41
x = 41 . 13
x = 533
b) 1428 : x = 14
x = 1428 : 14
x = 102