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Alexxandr [17]
3 years ago
13

3x + 2y = -10 5x + y = 9

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
7 0

Answer:

x=4, y=-11. (4, -11).

Step-by-step explanation:

3x+2y=-10

5x+y=9

--------------

3x+2y=-10

-2(5x+y)=-2(9)

--------------------

3x+2y=-10

-10x-2y=-18

-----------------

-7x=-28

7x=28

x=28/7=4

5(4)+y=9

20+y=9

y=9-20=-11

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