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受欢迎的 Word Problems >

Two more than a certain number is 3 less than double the number. Write an equation and solve it to find the number.5

解答

Tw o m ore t han a cer t ain n u mb er i s 3 l ess t han d o u b l e t h e n u mb er . W r i t e an e q u a t i o n an d so l v e i t t o f in d t h e n u mb er .5

解答

The number : 5

求解步骤

Represent the number with

x

A.T.Q.:

2 + x = 2 x - 3

求解

x, 2 + x = 2 x - 3 : x = 5

The number : 5

流行的例子

Two equals a number x divided by nine.Write as a mathematical equation.Four more than 7 times a number is 35.Money invested into an account earns 7% interest compounded continuously. How much is an initial investment of 9,500 worth in 14 years? Round to the nearest cent.9 subtracted from twice a number circular plate has a 半径 of 7 inches. What is the area of the plate?