a4nandachBones
a4nandachBones a4nandachBones
  • 01-10-2016
  • Mathematics
contestada

the sum of two numbers is 18 and their difference is 4

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texaschic101
texaschic101 texaschic101
  • 01-10-2016
a + b = 18
a - b = 4
-------------add
2a = 22
a = 22/2
a = 11

a + b = 18
11 + b = 18
b = 18 - 11
b = 7

ur 2 numbers are 7 and 11
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