Bila Un=4n-7 dan Un=5 berapakah nilai n​

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Bila Un=4n-7 dan Un=5 berapakah nilai n​

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rm4n - 7 = 5

rm4n = 5 + 7

rm4n = 12

rm n = frac{12}{4}

{ boxed{ rm n = 3}}

Un = 4n – 7

Un = 5

=> 4n – 7 = 5

=> 4n = 5 + 7

=> 4n = 12

=> n = 3