SOLUTION: Part 1: Solve the following system of equations. Please show your work to receive full credit. x - y = 10 2x + y = 2 Part 2: Explain which method you chose to solve the syst

Algebra ->  Equations -> SOLUTION: Part 1: Solve the following system of equations. Please show your work to receive full credit. x - y = 10 2x + y = 2 Part 2: Explain which method you chose to solve the syst      Log On


   

Question 461682: Part 1:
Solve the following system of equations. Please show your work to receive full credit.
x - y = 10
2x + y = 2
Part 2:
Explain which method you chose to solve the system and why you felt it was the best choice.
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
Add both equations (this is easy because the y's will cancel).

3x = 12 --> x = 4.

Replace x into either equation (I will use the first) to solve for y:

4 - y = 10
y = -6

So the solution (x,y) is (4, -6).