Question

If D= -30, D, = 40 and D = -5 are the values of the determinants for certain simultaneous
equations in x and y, find x.​

Answer 1

Step-by-step explanation:

please check the question

it might be Dx=-30 Dy=40 and D=-5

so by Cramer's Rule

x=Dx/D , y=Dy/D

x=-30/-5 , y= 40/-5

x=6 , y = -8