Question

What is the x-value in the solution to this system of linear equations?

2х - у= 11
х+ Зу = -5
-3
-1
2
4

Answer 1

First put the first equation in Y= which is:
Y=2x-11
So we can substitute this in for Y.
X+3(2x-11)=-5
Now solve for X
X+6x-33=-5
7X=28
X=4