Question 663344


{{{ 4x+6y=62}}} 

{{{-6x+6y=-18 }}}
____________________subtract

{{{ 4x+6y-(-6x+6y)=62-(-18)}}}

{{{ 4x+6y+6x-6y=62+18}}}

{{{ 4x+cross(6y)+6x-cross(6y)=80}}}

{{{ 10x=80}}}

{{{ x=80/10}}}

{{{ highlight(x=8)}}}

now find {{{y}}}


{{{ 4x+6y=62}}} ...plug in {{{x=8}}}

{{{ 4*8+6y=62}}} 

{{{ 32+6y=62}}} 

{{{ 6y=62-32}}} 

{{{ 6y=30}}} 

{{{ y=30/6}}} 

{{{ highlight(y=5)}}}