Answer:
y=3x+4
Step-by-step explanation:
4 is your y-intercept, and 3 is your slope.
The error is when 6y = 12 it will be -6y = 12 and the intercept would be -2.
Plot the points(0 ,-4) , (5 , -5) and (-5 , -3 ) in the graph and join the points.