hiphoplover134owb1v9 hiphoplover134owb1v9 19-01-2018 Mathematics contestada Solving Linear Equations with Substitution 1) 2x+y=4 2) -2x+y=-4 Answers: A)x=-2 y=4 B)x=2 y=0 C)x=0 y=2 D)x=4 y=-4