SOLUTION: 7. Rewrite the equation 4x – 6y = –30 as a function of x.

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Question 43720: 7.
Rewrite the equation 4x – 6y = –30 as a function of x.


Answer by aaaaaaaa(138) About Me  (Show Source):
You can put this solution on YOUR website!
Solve just like you would do with a normal linear equation with one variable, i.e., isolating y on one side of the equation.
4x+-+6y+=+-30
-6y+=+-30+-+4x
6y+=+30+%2B+4x
y+=+30%2F6+%2B+4x%2F6
y+=+5+%2B+4x%2F6
Therefore, we could define f(x) as 5 + 4x/6.