SOLUTION: Solve the following system of equations. Please show your work to receive full credit. x - y = 10 2x + y = 2 I have no idea how to solve it.

Algebra ->  Equations -> SOLUTION: Solve the following system of equations. Please show your work to receive full credit. x - y = 10 2x + y = 2 I have no idea how to solve it.      Log On


   

Question 407774: Solve the following system of equations. Please show your work to receive full credit.
x - y = 10
2x + y = 2
I have no idea how to solve it.
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
Just add both equations to get

3x = 12 --> x = 4. Replace x into either equation (I'll do the first one), we get

4 - y = 10 --> y = -6.