6x-8y=12 original problem
-6x -6x subtract both sides by -6
-8y= -6x+12 how the problem looks now
-8/-8y= -6/-8x+12/-8 now divide by -8 to get y by its self
y= 3/4x-1.5 simplified
y=mx+b
b=y-intercept
m=slope
