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At what value of x do the graphs of the equations below intersect? 2x – y = 6 5x + 10y = –10 x=___?
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At what value of x do the graphs of the equations below intersect? 2x – y = 6 5x + 10y = –10 x=___?
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Jul 14, 2017
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At what value of x do the graphs of the equations below intersect?
2x – y = 6
5x + 10y = –10
x=___?
Mathematics
high-school
Michael Sondergaard
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Michael Sondergaard
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5
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Answer:
2
Explanation:
ANSWEAR IS 2
ForX
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Jul 16, 2017
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ForX
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We will use the method of elimination:
2 x - y = 6 / · 10 ( multiply by 10 )
5 x + 10 y = -10
______________
20 x - 10 y = 60
+
5 x + 10 y = - 10
_______________
25 x = 50
x = 50 : 25
x = 2
AzulBonnet
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Jul 17, 2017
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AzulBonnet
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