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=0.15 b)x-16=18:18
x-34=0 x-16=1
x=0+34 x=1+16
a) ( x - 34 ) . 15 = 0
( x - 34 ) = 0 : 15
( x - 34 ) = 0 => x = ....
b) 18 . ( x - 16 ) = 18
( x - 16 ) = 18 : 18 = 1
( x - 16 ) = 1
=> x = ...
a) x - 34 = 0 : 15 b) x - 16 = 18 :18
x - 34 = 0 x -16 = 1
x = 0 + 34 x = 1+ 16
x = 34 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
k mk , mk k lại ^_-
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
=> x = 34
b) 18( x - 16 ) = 18
=> x - 16 = 1
=> x = 17