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受欢迎的 Word Problems >

If 3 is added to 5 times a number, the result is equal to 9 more than 4 times the number. Find the number.

解答

I f 3 i s a dd e d t o 5 t im es a n u mb er, t h e res u lt i s e q u a l t o 9 m ore t han 4 t im es t h e n u mb er . F in d t h e n u mb er .

解答

The number : 6

求解步骤

Represent the number with

x

A.T.Q.:

5 x + 3 = 9 + 4 x

求解

x, 5 x + 3 = 9 + 4 x : x = 6

The number : 6

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