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Popular Word Problems >

If 3 times a certain number is increased by 4 the result is 28. What is the number?If x is the number, which of the following equations could be used to solve for the number?

Solution

I f 3 t im es a cer t ain n u mb er i s in cre a se d b y 4 t h e res u lt i s 28. Wha t i s t h e n u mb er ? I f x i s t h e n u mb er, w hi c h o f t h e f o ll o w in g e q u a t i o n s co u l d b e u se d t o so l v e f or t h e n u mb er ?

Solution

The number : 8

Solution steps

Represent the number with

x

A.T.Q.:

3 x + 4 = 28

Solve for

x, 3 x + 4 = 28 : x = 8

The number : 8

Popular Examples

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