Answer:
x = 0
Step-by-step explanation:
x = 0 ( y axis)
Answer: a-b+c+d =4
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
First: 2.05
Second: 2.5
Third: 20.5
Fourth: 25
its b