zhardeman zhardeman
  • 04-11-2016
  • Mathematics
contestada

If the difference of two numbers is 43 and the sum of the numbers is 13, what are the numbers?

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Azieq
Azieq Azieq
  • 04-11-2016
x - y = 43
x + y = 13
x = 13 - y

13 - y - y = 43
2y = - 30
y = - 15

x = 13 + 15
x = 28

i am a mathematics teacher. if anything to ask please pm me
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