Question 118305
{{{y= -2x+5}}}


if {{{x=-2}}}


{{{y= -2(-2)+5}}}

{{{y= 4 +5}}}

{{{y= 9}}}


if {{{x=0}}}


{{{y= -2(0)+5}}}

{{{y= 0 +5}}}

{{{y= 5}}}



if {{{x=2}}}


{{{y= -2(2)+5}}}

{{{y= -4 +5}}}

{{{y= 1}}}



if {{{y= -3}}}


{{{-3= -2x+5}}}

{{{-3 -5 = -2x}}}

{{{-8 = -2x}}}

{{{x = 4}}}



if {{{y= -7}}}


{{{-7= -2x+5}}}

{{{-7-5 = -2x}}}

{{{-12= -2x}}}

{{{x = 6}}}


     table
 ..    x   |     y
  .  -2   |    9
  ..   0   |     5
   ..  2   |    1
   ..  4    |   -3
   ..   6   |   -7