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Popular Word Problems >

Two times a certain number added to 20 gives the same result as 3 times the same number subtracted from 145. What is the number?

Solution

Tw o t im es a cer t ain n u mb er a dd e d t o 20 g i v es t h e s am e res u lt a s 3 t im es t h e s am e n u mb er s u b t r a c t e d f ro m 145. Wha t i s t h e n u mb er ?

Solution

The number : 25

Solution steps

Represent the number with

x

A.T.Q.:

2 x + 20 = 145 - 3 x

Solve for

x, 2 x + 20 = 145 - 3 x : x = 25

The number : 25

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