Question 923735


{{{-3x-5y=6}}} ...eq.1  
{{{y=-3}}}......eq.2...plug in eq.1
_________________
{{{-3x-5(-3)=6}}}
{{{-3x+15=6}}}
{{{15-6=3x}}}
{{{9=3x}}}
{{{9/3=x}}}
{{{3=x}}}

solution,{{{x=3}}} and {{{y=-3}}}



{{{y=-6x-3}}} ...eq.1    
{{{y=-x+2}}}...eq.2
_____________________subtract

{{{y-y=-6x-3-(-x+2)}}} 

{{{0=-6x-3+x-2}}}

{{{0=-5x-5}}}

{{{5x=-5}}}

{{{x=-1}}}

find {{{y}}}

{{{y=-(-1)+2}}}...eq.2

{{{y=1+2}}}

{{{y=3}}}

solution,{{{x=-1}}} and {{{y=3}}}