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פּוֹפּוּלָרִי Word Problems >

If the sum of a number and one is tripled, the result is nine less than twice the number.

פתרון

I f t h e s u m o f a n u mb er an d o n e i s t r i pl e d ​, t h e res u lt i s nin e l ess t han tw i ce t h e n u mb er .

פתרון

The number : - 12

צעדי פתרון

Represent the number with

x

A.T.Q.:

(x + 1) \cdot 3 = 2 x - 9

(x + 1) \cdot 3 = 2 x - 9, x

פתור בשביל:

x = - 12

The number : - 12

דוגמאות פופולריות

6 more than the product of a number and 3 is 12.your family paid 120 for a payment of 20% of a project. What is the total cost of the project?Jimmy is 1 year older than George. 2 years ago, Jimmy was 2 times as old as George. Calculate George's present age.Find the accumulated value of an investment of 9000 at 5.5% compounded continuously for 3 years.Question 8 options:Suppose that 1200 is invested at 612% , compounded quarterly. How much is in the account at the end of 5 years?