Question

Solve for
n
nn.
7
n
−
4
=
31

Answer 1

`{ \longmapsto{ \sf{7n - 4 = 31}}}`

`{ \longmapsto{ \sf{7n = 31 + 4}}}`

`{ \longmapsto{ \sf{7n = 35}}}`

`{ \longmapsto{ \sf{n = (35)/(7) }}}`

`{ \longmapsto{ \sf{n = \cancel(35)/(7) }}}`

`{ \color{blue}{ \longmapsto{ \sf{n = 5 }}}}`

______________________

Answer 2

Answer: 5

Explanation:

5x7=35

35-4=31