Question 353644
1.{{{2x+y=3}}} 
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{{{2y-6=-4x }}}
2.{{{4x+2y=6}}}
Multiply eq. 1 by (-2) and add to eq. 2,
{{{-4x-2y+4x+2y=-6+6}}}
{{{0=0}}}
Eq. 1 and eq. 2 are the same line.
There are an infinite number of solutions.