Question

3n-8=32-n

Answer 1

add n+8 to both sides to get
3n-8+8+n=32-n+n+8
On the left hand the 8s cancel, on the right hand side the ns cancel. So you get
4n=40
Divide by 4
n=10

Answer 2

Tnank u

Answer 3

make it simple
3n + n = 32+8
4n = 40
n= 40/4
n=10

Answer 4

3n-8=32-n
3n+n=32+8
4n=40
n=10