Question 1064259
{{{system(4x+5y=39,3x-18=9)}}}


{{{4x+5y=39,x-6y=3}}}



{{{x-6y=3}}}
{{{x=3+6y}}}
-
{{{4(3+6y)+5y=39}}}
{{{12+24y+5y=39}}}
{{{29y+12=39}}}
{{{29y=39-12}}}
{{{29y=27}}}
{{{highlight(y=27/29)}}}



{{{x=3+6(27/29)}}}
{{{x=87/29+162/29}}}
{{{highlight(x=249/29=8&17/29)}}}