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 :

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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