[tex] \frac{n}{3} [/tex] +6 - 7 = 4
Subtract 6 from each side of the equation
[tex] \frac{n}{3}[/tex] -7 = -2
Now add 7 to both sides of the equation.
[tex] \frac{n}{3} [/tex] = 5
Finally multiply by 3 on both sides to undo the division
n= 15
Check
15/3 + 6 -7 = 4
5 + 6 -7 = 4
11- 7 = 4
4 = 4
