We have to solve the n
1. subtract m of both sides of the expression:
[tex]m+2n^2-m=7m-m[/tex][tex]2n^2=6m[/tex]2. Divide both sides in 2
[tex]\frac{2n^2}{2}=\frac{6m}{2}[/tex][tex]n^2=3m[/tex]3. calculate the square root of both sides:
[tex]\sqrt{n^2}=\sqrt{3m}[/tex]Then:[tex]n^{}=\sqrt{3m}[/tex]