Mutiplicative inverse of - 1 2/3

-3/5

Step-by-step explanation:

-1 2/3=(-(3+2))/3=-5/3

let x be multiplicative inverse ,then

x×-5/3=1

x=1×-3/5=-3/5

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.