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Sophie [7]
3 years ago
10

Six times a number plus twice a second number is four. Twice the first number plus four times the second number is eighteen.

Mathematics
1 answer:
Debora [2.8K]3 years ago
8 0

Answer:

x=-1, y=5. (-1, 5). The first number is -1 and the second number is 5.

Step-by-step explanation:

6x+2y=4

2x+4y=18

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

-2(6x+2y)=-2(4)

2x+4y=18

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

-12x-4y=-8

2x+4y=18

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

-10x=10

x=10/-10

x=-1

6(-1)+2y=4

-6+2y=4

2y=4-(-6)

2y=4+6

2y=10

y=10/2

y=5

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