1) The system of equations 2x - 11=3 and 4x - 2y=7 is solved to find x=1 and y=2. 2) A second system of equations x=3-1 and -2(4)-(-1)(7) is solved to find x=-1. 3) A third system of equations y=2(7)-(3)(4) is solved to find y=2.Read less