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If you add​ Natalie's age and​ Fred's age, the result is 42 . If you add​ Fred's age to 4 times​ Natalie's age, the result is 84 . Write and solve a system of equations to find how old Fred and Natalie are

If you add​ Natalie's age and​ Fred's age, the result is 42 . If you add​ Fred's age-example-1
User Grefab
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N+F= 42 and F+( 4 x N) =84
User Appz Venture
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42 x 4 is 168 and 84 x 4 is 336
User Atoth
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