Hi c-5d=2 2c+d=4 |checking our Answer 2*2+0 = 4 -2c+10d=-4 2c+d= 4 11d = 0 d = 0 and c = 2 (c = 2+5*0) y=2x+3 y=4x-1 |checking our answer 7 = 4*2-1 2x+3 = 4x-1 4 = 2x 2 = x and y = 7 ( 2*2+3)