Question

Solve for m.
7 = m+n

Answer 1

m=7-n

Explanation:

`7 = m+n\\\\Switch\:sides\\\\m+n=7\\\\\mathrm{Subtract\:}n\mathrm{\:from\:both\:sides}\\\\m+n-n=7-n\\\\Simplify\\\\m=7-n`

Answer 2

7 -n = m

Explanation:

7 = m+n

Subtract n from each side

7-n = m+n-n

7 -n = m