How do you solve the system of equations by graphing #y= -x-10# and #6x-5y=6# and then classify the system?
1 Answer
Aug 26, 2017
A unique solution is there.
#x=-4#
#y=-6#
The equations are compatible.
Explanation:
Given -
#y=-x-10# -------------------(1)
#6x-5y=6# ---------------(2)
Substitute
#6x-5(x-10)=6#
#6x-5x+10=6#
#x=6-10=-4#
#x=-4#
Substitute
#y=-(-4)-10#
#y=4-10=-6#
#y=-6#
The equations are compatible.
