Question 536510
{{{2x-5y=-1}}}.........(1)
{{{x-3y=-3}}}
{{{x=3y-3}}}...........(2)
Substitute the value of x in (1)
{{{2(3y-3)-5y=-1}}}
{{{6y-6-5y=-1}}}
{{{y-6=-1}}}
{{{y=-1+6}}}
{{{y=5}}}
Put the value of y in (1)
{{{2x-5(5)=-1}}}
{{{2x-25=-1}}}
{{{2x=-1+25}}}
{{{2x=24}}}
{{{x=24/2}}}
{{{x=12}}}

(x,y)=(12,5)


Check
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Put the value of x and y in (1)
{{{2x-5y=-1}}}.........(1)
{{{2(12)-5(5)=-1}}}
{{{24-25=-1}}}
{{{-1=-1}}}