Answer: a-b+c+d =4
Step-by-step explanation:
The given system of equation is

from this we have the following matrices

the given matrix A =
On comparing Matrix
with Matrix A

we have the following values
a=2 ,b=4,c=8,d=-2
Thus a-b+c+d =2-4+8+(-2)=4
Answer:
A) (-2,2) lies on both lines
Step-by-step explanation:
Answer:
B have a wonderful week d remember God loves u and Merry Christmas
Step-by-step explanation: