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Phổ biến Word Problems >

The hiệu of three times a number and nine is 3

Lời Giải

T h e d i ff ere n ce o f t h ree t im es a n u mb er an d nin e i s 3

Lời Giải

The number : 4

Các bước giải pháp

Represent the number with

x

A.T.Q.:

3 x - 9 = 3

Giải

x, 3 x - 9 = 3 : x = 4

The number : 4

Ví dụ phổ biến

The hiệu of two numbers is 2. The sum of the same two numbers is 6. Find the numbers. Write the numbers from least to greatest.Find the final amount of money in an account if 9,100 is deposited at 3% interest compounded weekly and the money is left for 6 years.A number decreased by 15 is equal to the number times −5.one less than three times a number If 7 4/5 of the total came to 109,200 , what was the total?