SOLUTION: Matrices Hello I'm needing some help with my homework that asks me to use the matrices to solve each system of equations. If a system has no solution, so indicate. {x+y=3 x

Algebra ->  Systems-of-equations -> SOLUTION: Matrices Hello I'm needing some help with my homework that asks me to use the matrices to solve each system of equations. If a system has no solution, so indicate. {x+y=3 x      Log On


   

Question 182073: Matrices
Hello I'm needing some help with my homework that asks me to use the matrices to solve each system of equations. If a system has no solution, so indicate.
{x+y=3
x-y=-1
thanks
Haley
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
x+y=3
x-y=-1
--------- Add them
2x = 2
x = 1
-------
y = 2