Question

11) Add 1 to three times n to get 7.

a) 3n + 1 = 7 b) 3n-1 = 7 c) 3n + 7=1 d) none​

Answer 1

3n + 1= 7
3n=7-1
n=6/3
n=2

Answer 2

$\textrm{Adding 1 to 3 times to n to get 7 : (3 \times n) + 1 = 7}$

$\longrightarrow\textrm{Adding 1 to 3 times to n to get 7 : 3n + 1 = 7}$