Question 368532
1.{{{-9x + 6y =3}}}
2.{{{18x + 30y = 1}}}
From eq. 1,
{{{-9x=-6y+3}}}
{{{18x=12y-6}}}
Substitute into eq. 2,
{{{12y-6+30y=1}}}
{{{42y=7}}}
{{{highlight(y=1/6)}}}
Then from eq. 1,
{{{-9x+1=3}}}
{{{-9x=2}}}
{{{highlight(x=-2/9)}}}