Question

for simultaneous equation in X and if d=30,dx= -18,dy=-12 then find what is value of y??? ​

Answer 1

here d=30,dx=-18,dy=-12
y=dy/d=-12/30=-4/10=-2/5

-2/5 is the soln of given q.

Answer 2

Step-by-step explanation:

dy/d by Cramer rules. -12/30=-2/5