4x-12=32-7x
4x+7x=32+12
11x=44
x=4
Y=2(-1)^2-6(-1)+3
y=2+6+3
y=8+3
y=11
Answer: slope intercept is y=mx+b form s b= the y intercept and x will just be x and the m is usually a fraction which tells you the slope so what you need to do is mark these points on a line graph draw a line from one to the other and every where it crosses over a point is where you can find the slope and the y intercept giving you the answer
C is the answer of this problem
I'm pretty sure it would be d. you have to add the xs and ys and divide each by 2.