Answer: 6
Step-by-step explanation:
Let's start by getting the equation to slope intercept form
First simplify
[tex]y + 1 = 3(2x - 4)\\\\y+1=6x-12[/tex]
Then get y by itself
[tex]y+1-1=6x-12-1\\y=6x-13[/tex]
In slope intercept form y=mx+b, m is the slope
In this case the slope is 6