Which of the following ordered pairs is the solution to the system of linear equations
x+y=14
2x+y= 24

A.(7, 7) B.(3, 11) C.(6, 12) D.(10, 4)

Question

Which of the following ordered pairs is the solution to the system of linear equations
x+y=14
2x+y= 24

A.(7, 7)             B.(3, 11)      C.(6, 12)     D.(10, 4)

parthkohli · Answer

Subtract first from second equation.

anonymous · Answer

then what do i do

shane_b · Answer

Show the subtraction...if you do the work, you'll see what x is and there's only one answer with that x value.

anonymous · Answer

im not sure wAT TO SUBTRACT

shane_b · Answer

As @ParthKohli said, do this:

    2x+y= 24
-  (x+y)=14
-------------
=?

anonymous · Answer

10

shane_b · Answer

Yes, x = 10...so y must be 4 (look at the first equation to see that).

anonymous · Answer

10,4 thanks alot