Answer:
y=3
Step-by-step explanation:
(i used point-slope form which is (y1-y2)=m(x1-x2))
(10-y)=7(4-3)
10-y=7
-y=-3
x(x-9)+7(x-9)
x²-9x+7x-63
x²-2x-63
a= -1, b= 2 & c= -3
abc= -1 x 2 x -3
= 6
−44.288−31.6
−3.1(6−1.2)
=
−75.888
(−3.1)(4.8)
−14.88
=5.1
5.1 is the answer