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Well it is 12-6 Proof:

12+6=18

18-6=12

Thats the answer 12-6

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More answers
  1. x + y = 18
  2. x - y = 6

Add the two equations together.

(x+x)+(y-y)=(18+6)

2x = 24

x = 12

Substituting back into equation 1: (12) + y = 18

y = 6

check:

12 + 6 = 18

12 - 6 = 6

It checks. ■

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Wiki User

15y ago
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idk

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?

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Baylin Lindsay

Lvl 2
5y ago
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12-6

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Anonymous

4y ago
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6 12

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Anonymous

4y ago
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7

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Anonymous

4y ago
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Q: What two numbers have a sum of 18 and a difference of 6?
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