Question 978991


{{{-2y + (1/2)x = 4 }}} both sides multiply by {{{2}}}

{{{-2y*2 + 2*(1/2)x = 2*4 }}} 

{{{-4y + x = 8 }}} 

standard form: {{{ ax + by + c = 0 }}}

so, you have

{{{ x-4y -8=0 }}}