freeJ3oseAKlis freeJ3oseAKlis
  • 25-03-2017
  • Mathematics
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What are two numbers that have a difference of 8 and have add to make 4?

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lisee7 lisee7
  • 25-03-2017
6,-2
X-y=8
X+y=4
Ys cancel
2x=12
X=6 substitute
6+y=4
Subtract 6
4-6=-2
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