20 POINTS IF YOU SOLVE!










QUESTION 1


Solve by the linear combination method.


8x + 2y = 4

–4x + 3y = –10





(1, 3)


(2, 3)


(1, 2)


(1, –2)



QUESTION 2


Solve by the linear combination method.


2x + 3y = –17

5x + 2y = –4





(3, –1)



(–2, 2)



(–1, 3)



(2, –7)



QUESTION 3


Solve by the linear combination method.



3x – 5y = 7

2x + 3y = 30




(3, –7)


(3, 7)


(9, 4)


(–3, –7)


QUESTION 4


Solve by the linear combination method.



x + y = 50

0.05x + 0.06y = 2.8





(20, 30)


(40, 60)


(10, 30)


(20, –50)



QUESTION 5


Solve by the linear combination method.


6x – 2y = 2

–3x + 4y = 5





(1, 3)


(1, –2)



(2, 3)


(1, 2)