Question 322294
Quickest way is to find the x and y intercepts.
To find the x-intercept, set y=0 and solve for x.
{{{ x+2y=-4 }}}
{{{x+0=-4}}}
{{{x=-4}}}
(-4,0) 
Plot it.
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{{{drawing(300,300,-5,5,-5,5,grid(1),circle(-4,0,.2),graph(300,300,-5,5,-5,5,0))}}}
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To find the y-intercept, set x=0 and solve for y.
{{{x+2y=-4}}}
{{{0+2y=-4}}}
{{{y=-2}}}
(0,-2)
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Plot that point too.
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{{{drawing(300,300,-5,5,-5,5,grid(1),circle(0,-2,0.2),circle(-4,0,.2),graph(300,300,-5,5,-5,5,0))}}}
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Now draw the line that goes through both points.
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{{{drawing(300,300,-5,5,-5,5,grid(1),circle(0,-2,0.2),circle(-4,0,.2),graph(300,300,-5,5,-5,5,(-4-x)/2))}}}