Question 61236
let n = the number
15=1/2n-3


let n = the number
(n-7)*3=18
n=6

2-4/-5-1=m
m=slope
so -2/-6=m
     1/3=m


3x+y=4
-3x  -3x
y=-3x+4


3x+y=4
-3x  -3x
y=-3x+4

y=mx+b
m=slope

so the slope is -3