Question 990932
I'm not sure why you did step 2. It is an incorrect algebraic move.


Here's how you do the problem


y-(-3)= 3(x-(-1)) ... you had step 1 correct
y+3 = 3(x+1)
y+3 = 3x+3
y+3-3 = 3x+3-3 ... Subtract 3 from both sides.
y = 3x


So the final answer is <font color="red">y = 3x</font>