Question 305936
1.{{{5x+2y=-4}}}
2.{{{x-3y=5}}}
From eq. 2,
{{{x-3y=5}}}
{{{x=5+3y}}}
{{{5(5+3y)+2y=-4}}}
{{{25+15y+2y=-4}}}
{{{17y=-29}}}
{{{y=-29/17}}}
From eq. 2 above,
{{{x=5+3y}}}
{{{x-y=5+3y-y=5+2y}}}
{{{x-y=5+2(-29/17)}}}
{{{x-y=85/17-58/17}}}
{{{x-y=27/17}}}