math6181 math6181

12-09-2021
Mathematics

contestada

The sum of three times a number and 7 more than
the number is the same as the difference between
- 11 and twice the number. What is the number?

Respuesta :

SanjayGautam SanjayGautam

13-09-2021

Answer:

3x+7+ x= -11-2x

4x + 2x = -11-7

6x = -18

x = -18/6

x = -3

therefore , the number is -3

now,

by putting value,

3x+7+x=-11-2x

3*(-3)+7+(-3)=-11-2*(-3)

-9+7-3=-11+6

-5=-5

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