a) (x - 34). 15 = 0
x - 34 = 0 : 15
x - 34 = 0
x = 34 + 0
x = 34
b) 18 . (x - 16) =18 .
x - 16 = 18 : 18
x - 16 = 1
x = 16 +1
x = 17
a) ( x - 34 ) . 15 = 0
x - 34 = 0 : 15
x - 34 = 0
x = 34
b) 18 . ( x - 16 ) = 18
x - 16 = 18 : 18
x - 16 = 1
x = 1 + 16
x = 17
a,(x-34).15=0
=>x-34=0
=>x=34
b, 18.(x-16)=18
=>x-16=1
=>x=17
a) (x - 34). 15 = 0
x-34 =0:15
x-34 =0
x =0+34
x = 34
b) 18 . (x - 16) =18 .
x-16 =18:18
x-16 =1
x =1+16
x =17
a) (x - 34).15 = 0
(x - 34) = 0 :15
(x - 34) = 0
x = 0 + 34
x = 34
b) 18 . (x -16) = 18
(x -16) = 18 :18
(x -16) = 1
x = 1 +16
x = 17
tk mk nhé ^_^
chúc bạn học giỏi hơn nhé :")
(x-34).15=0
x-34=0
x=34
Vậy x=34
18.(x-16)=18
x-16=1
x=17
a) ( x - 34 ) . 15 = 0
=> x - 34 = 0
=> x = 34
b) 18( x - 16 ) = 18
=> x - 16 = 1
=> x = 17