Solve the following system of equations. Please show your work to receive full credit.
x - y = 19
2x + y = 2

Part 2:
Explain which method you chose to solve the system and why you felt it was the best choice.

Question

Solve the following system of equations. Please show your work to receive full credit.
x - y = 19
2x + y = 2

Part 2:
Explain which method you chose to solve the system and why you felt it was the best choice.

jit4won · Answer

add both equations

jit4won · Answer

you get 
3x = 21 
or  x = 7

jit4won · Answer

now put the value of x in any one equation

jit4won · Answer

you will have your value of Y

anonymous · Answer

By seeing the co-effcients and x and y, one should decide whether to add or subtract
or multiply by constant or not

jit4won · Answer

que te pasa ?

anonymous · Answer

can you explain to me how to do it, i'm so lost.

ajprincess · Answer

|dw:1338657088126:dw|
Upto this is it clear?