Find a number such that when 15 is subtracted from 7 times the number, the result is 10 more than twice the number.

Find a number such that when 15 is subtracted from 7 times the number, the result is 10 more than twice the number.

A 5

B 7

C 9

D 15

Solution

Correct Answer: Option A

7x - 15 = 2x + 10

=> 5x = 25

=> x = 5