How do you solve the following system?: # x +y =23 , x +12y = -2#
1 Answer
Feb 9, 2017
#x=278/11#
#y=-25/11#
Explanation:
Given -
#x+y=23# -----------------(1)
#x+12y=-2# ---------------(2) ------------#(1) -(2)#
#-11y=25#
#y=-25/11#
Substitute
#x-25/11=23#
#x=23+25/11=(253+25)/11=278/11#
#x=278/11#
