Question

Tìm X:

96-3(X+1)=42

 

Answer 1

=> 3.(x+1)=96-42

=> 3.(x+1)=54

=> x+1=54:3

=> x+1=18

=> x=18-1

Vậy x=17.

Answer 2

3(x+1)=96-42

x+1=54:3

x=18+1

x=19

Answer 3

3(x+1)=96-42=54

  (x+1)=54:3=18

        x=18-1=17

VẬY x=17