Question

x : 4 + 87 = 139

Answer 1

x : 4 + 87 = 139

=> x : 4 = 139 - 87

=> x : 4 = 52

=> x = 52 x 4

=> x = 208

Answer 2

x : 4 = 139 - 87

x : 4 = 52

    x = 52 : 4 

     x = 13

Answer 3

mjk nhầm pải là : 52 * 4 = 208

Answer 4

lk lại nha

x : 4 = 139-87

x : 4 = 52 

 x = 52 x 4 = 208

Answer 5

x :4 + 87 = 139

x : 4 = 139 - 87

X : 4 = 52

Answer 6

<=> x : 4 = 139 -87 = 52

<=> x = 52 :4 =13

Vay x =13

Answer 7

x:4+87=139

x:4=52

x=52/4

x=13