How do you solve the system of equations: -3x+y=-4 and 2x-y=1?
1 Answer
Aug 12, 2015
Add the given equations together to get an equation in terms or just
Explanation:
[1]
[2]
Adding [1] and [2]
[3]
Multiplying by
[4]
Substituting
[5]
Simplifying
[6]