Find two rational numbers such that the sum of the first and three times the second is 5 and the sum of second and two times the
first is 8.
A. (x,y) = (16/5,-2/5)
B. (x,y) = (-17/5,-2/5)
C. (x,y) = (-16/5,-2/5)
D. (x,y) = (19/5, 2/5)
E. (x,y) = (-19/5, 3/5)
A. (x,y) = (16/5,-2/5)
B. (x,y) = (-17/5,-2/5)
C. (x,y) = (-16/5,-2/5)
D. (x,y) = (19/5, 2/5)
E. (x,y) = (-19/5, 3/5)
1 answer:
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Answer:
remember that if
and
. This means that
always is a positive number.
Then, there are no numbers such that because -3 is a negative number.