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  • 12-02-2015
  • Mathematics
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How would you solve -7x-4y=16

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apologiabiology
apologiabiology apologiabiology
  • 13-02-2015
so one easy way is to make the equation equal to only one place holder so 
-7x-4y=16
add 7x to both sdies
-4y=16+7x
multiply both sides by -1
4y=-16-7x
divide both sides by 4
y=-4-7/4x
subsitute values for x and get values for y
exg
if x=0 then y=-4
if x=1 then y=-5 3/7
etc
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