75) y=mx+b. plug in slope and point 2=(3/2)(1)+b 2=(3/2)+b. solve for b b=1/2. plug back into original question y=(3/2)x+(1/2) multiply by 2 to get rid of fraction (y=(3/2)x+(1/2))*2. 2y=3x+1. subtract over the 3x -3x+2y=1 Same would be done with the other 4 problems.