Question 374174

1.{{{7x - 4y = -3}}}
2.{{{   x + 2y =3}}}
Multiply eq. 2 by 2 and add to eq.1,
{{{7x-4y+2x+4y=-3+6}}}
{{{9x=3}}}
{{{highlight(x=1/3)}}}
Then use either equation to solve for y.
{{{1/3+2y=3}}}
{{{1+6y=9}}}
{{{6y=8}}}
{{{highlight(y=4/3)}}}