Answer:
x=13
Step-by-step explanation:
45=3x+6
3x=39
m = 1/4
slope = rise / run
rise = 1 (red arrow)
run = 4 (dotted line)
4x+13
combine like terms -2x and 6x to get 4 then combine 9 and 4 to get 13
35x^2 - 71x + 15
look at the photo
