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Identify the values that create ordered pairs that are solutions to the equation 3x - 5y = 20. (5,y) (x,2)
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Dec 14, 2019
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Identify the values that create ordered pairs that are solutions to the equation 3x - 5y = 20.
(5,y) (x,2)
Mathematics
high-school
Luis Sep
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Luis Sep
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X=10 Y=1
thats your answer hope it helps ;P
Vignesh T I
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Dec 14, 2019
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Vignesh T I
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3x - 5y = 20
(5; y) - put x = 5 to the equation
3 · 5 - 5y = 20
15 - 5y = 20 |-15
-5y = 5 |:(-5)
y = -1
Answer:
(5; -1)
(x; 2) - put y = 2 to the equation
3x - 5 · 2 = 20
3x - 10 = 20 |+10
3x = 30 |:3
x = 10
Answer:
(10; 2)
Muhammad Adil
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Dec 19, 2019
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Muhammad Adil
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