Question 884445
Multiply both equations by 10.
{{{x+8y=23}}}
{{{7x-5y=83}}}
From eq. 1,
{{{x=23-8y}}}
Substitute into eq. 2,
{{{7(23-8y)-5y=83}}}
{{{161-56y-5y=83}}}
{{{-61y=-78}}}
{{{y=78/61}}}
Then,
{{{x=23+8(78/61)}}}
{{{x=1403/61-624/61}}}
{{{x=779/61}}}