Question

If 7x - 9 equals 15, what is the value of 7x +1

Answer 1

25

Explanation:

First,

7x - 9 = 15

=> 7x = 15 + 9

=> 7x = 24

`= > x = (24)/(7)`

Now putting its value in 7x + 1,

= 7x + 1

`= 7 ((24)/(7) ) + 1`

`= 7 * (24)/(7) + 1`

= 24 + 1

= 25 (Ans)