How do you solve A system of Equations? -y + 2x = 4 2x - = -4 Thanks!
1 Answer
Jul 29, 2018
#x=-2#
#y=-8#
Explanation:
Given -
#-y+2x=4# ---------------(1)
#2x=-4# ---------------(2)
#x=(-4)/2=-2#
#x=-2#
Substitute#x=-2# in equation (1)
#-y+2(-2)=4#
#-y-4=4#
#-y=4+4=8#
#y=-8#
