Question

x.((-7)+(-5))=36

 

Answer 1

x.((-7)+(-5))=36

 

<=> x.(-12)= 36

<=> x = -3.

Vậy...

Answer 2

x.((-7)+(-5))=36

⇔-12x=36

⇔x=36:(-12)

x=-3

Vậy x=-3

Answer 3

x.((-7)+(-5))=36

x.(-12)=36

         x=36:(-12)

=>     x=(-3)