Which fo the following pairs of equations has exactly the same solution?

Question

(x)/(3.2)=1.8 and 1.8x=3.2

-(3)/(4)x=(5)/(2) and (5)/(2)x=-(3)/(4)

-3.2x=0.64 and (x)/(4)=-0.05

(3)/(8)x=1 and (1)/(3)x=(1)/(8)

Answer 1

The pair of equations that has exactly the same solution is:

(x)/(3.2)=1.8 and 1.8x=3.2