Question

Tìm số nguyên x , biết :

4-(27-3)=x-(13-4 )

Answer 1

4-(27-3)=x-(13-4)

=>4-24=x-9

=>-20=x-9

=>x=-20+9=-11

Answer 2

=> 4 - 27 + 3 = x - 13 + 4

=> x = 4 - 27 + 3 - 4 + 13

=> x = -11