Twice the difference of a number and 7 is equal to three timesthe sum of the number and 7? Find the number. The number is.

Question

Twice the difference of a number and 7 is equal to three times the sum of the number and 7.find the number.

Answer 1

if the number is x, then we have:

 

2(x - 7) = 3(x + 7)

 

2x - 14 = 3x + 21

 

2x - 35 = 3x

 

x = -35

 

The number is -35