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Laury Roob

Lvl 10
3y ago
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Wiki User

14y ago

x + y = 33
x - y = 9

Add the equations: 2x = 42 ==> x = 21

Subtract the equations: 2y = 24 ==> y = 12

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Q: What two numbers equal 33 when you add them and 9 when you subtract them?
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