If 2 is subtracted from seven times a certain number, the result is the same as if 38 is added to three times the number.If 2 is subtracted from seven times a certain number, the result is the same as if 38 is added to three times the number.

Solution

I f 2 i s s u b t r a c t e d f ro m se v e n t im es a cer t ain n u mb er, t h e res u lt i s t h e s am e a s i f 38 i s a dd e d t o t h ree t im es t h e n u mb er . I f 2 i s s u b t r a c t e d f ro m se v e n t im es a cer t ain n u mb er, t h e res u lt i s t h e s am e a s i f 38 i s a dd e d t o t h ree t im es t h e n u mb er .

The number : 10

étapes des solutions

Represent the number with

x

A.T.Q.:

7 x - 2 = 3 x + 38

7 x - 2 = 3 x + 38

7 x - 2 = 3 x + 38, 7 x - 2 = 3 x + 38 : x = 10

The number : 10