Question #51075
1 Answer
Feb 20, 2017
#x=2#
#y=-2#
Explanation:
Given -
#-2x-2y=0# ---------------------------(1)
#-x+y=-4# ----------------------------(2)
#-x+y=-4# ----------------------------(2)#xx 2#
#-2x+2y=-8# -------------------------(3)
#-2x-2y=0# ---------------------------(1)#3 + 1#
#-4x=-8#
#x=(-8)/(-4)=2#
#x=2#
Substitute
#-(2)+y=-4# ----------------------------(2)
#-2+y=-4#
#y=-4+2=-2#
#y=-2#
