The answer to this question is 1.624
y=-4-x
y=2x-1
-4-x=2x-1
3x=-3
x=-1
y=-3
The type of equation is consistent because they intersect at ( -1,-3 )
I took five years before and it was hard for me to remember the postualates. I found it helpful to practice proving problems that involved the postualate. Some postualates like SAS are just abbreviations. SAS- Side-Angle-Side
In fraction 1/2 in decimal 2.5
-7x^2 - 6x^2 + 3x + 5x - 5 + 2
-13x^2 + 8x - 3