Question

If 8n + 25 = 65, then n is

a. 5.
648.
less than
of 45 is
b. 10.
C. 40.

Answer 1

8n + 25 = 65

8n = 65 - 25

8n = 40

8n/ 8 =40/8

n = 5..

firstly I made 8n the subject of the formula by taking 25 to the other side which gives u 8n = 65 - 25and the reason why the sign changed chnged os because when send a number to the other side the sign changes and then i divided both sides by 8

Answer 2

8n+25=65
-25
8n=40
n=5 (answer choice a)