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Morgarella [4.7K]
2 years ago
15

What cannot be rational??

Mathematics
1 answer:
julia-pushkina [17]2 years ago
4 0

Answer:

the 4th one

Step-by-step explanation:

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D, Y=2x-4

Step-by-step explanation:

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2x+y=3<br>x-y= 1<br><br>solve the equation ​
svetlana [45]

Answer:

x = 4/3

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Step-by-step explanation:

System of equations! This is set up really well to make the second equation equal x then substitute.

x - y = 1

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and then our substitution:

2 (1+y) + y = 3

and solve:

2 + 2y + y = 3

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And now we can substitute that value into one of our equations:

x - (1/3) = 1

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Next we should check by substituting these values into both of our equations:

2 (4/3) + (1/3) = 3

9 / 3 does equal 3 !

(4/3) - (1/3) does equal 1 !

Therefore, x = 4/3 , and y = 1/3

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