Question 407346
Substitute 2x+7 in for y in the 2nd equation
{{{3x-(2x+7)=9}}}
{{{3x-2x-7=9}}} simplify
{{{x-7=9}}}combine like terms
{{{x=16}}}add 7 to both sides
Now substitute 16 in for x in either equation:
{{{y=2(16)+7}}}
{{{y=39}}}
(16,39)