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What has the sum of 20 but the difference is 8?
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Nov 18, 2017
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What has the sum of 20 but the difference is 8?
Mathematics
high-school
Cangrejo
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Cangrejo
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x + y = 20---- 1
x - y = 8----- 2
From 1+2
2x = 28
x = 14
Substitute x in eq.2
14 -y = 8
y = 6
Ans : x= 14 , y= 6
Tyler S
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Nov 24, 2017
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Tyler S
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