Question

12 Find a number suth that when 15 is
Subtracted from 7 times the number, the
result is 10 more than twice the number
​

Answer 1

A:5

Answer: Option A

Explanation:

Let the number be x.

7x -15 = 2x + 10 => 5x = 25 => x = 5

Answer 2

Answer:

7x-15=10+2x

7x-2x=10+15

4x=25

x=25/4

x=6.25