1x-2y=-2
-1x -1x
-2y=-1x-2
-2 -2 -2
y=1x+1
2
(The form is y=Mx+b so we want the y in front of the equation so we solve for x)
We divide -2 because we want the y isolated(aline and we want the y positive too)
And there is your answer
Hope this helps :D