Question 894318
{{{3x[1]+3x[2]=1}}}
{{{6x[1]+2x[2]=6}}}
Multiply eq. 1 by {{{-2}}} and add to eq. 2,
{{{-6x[1]-6x[2]+6x[1]+2x[2]=-2+6}}}
{{{-4x[2]=4}}}
{{{x[2]=-1}}}
Then,
{{{3x[1]-3=1}}}
{{{3x[1]=4}}}
{{{x[1]=4/3}}}