Question 312461
Which solution method?
I'll use elimination.
Multiply eq. 1 by 5 and add the two equations together.
{{{25m+5n+m-5n=35+43}}}
{{{26m=78}}}
{{{highlight(m=3)}}}
Then from eq. 1,
{{{5m+n=7}}}
{{{5(3)+n=7}}}
{{{15+n=7}}}
{{{highlight(n=-8)}}}