kilercil1 kilercil1
  • 07-07-2016
  • Mathematics
contestada

4x+7y=28
solve for y
explain how please, I saw in previously asked questions like this one that the answer was 4-4/7x. I typed this answer into MyMathLab and was told it was wrong. What is the answer?

Respuesta :

asd12 asd12
  • 07-07-2016
The answer is 
x=7
y=4
you need to find each variable and you do that by substituting one with 0 then doing it.
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