SOLUTION: Find an equation for the inverse of y=3/4x+7 This is what I got so far: x=3/4y+7 x-7=3/4y ...and then what?

Algebra ->  Algebra  -> Rational-functions -> SOLUTION: Find an equation for the inverse of y=3/4x+7 This is what I got so far: x=3/4y+7 x-7=3/4y ...and then what?       Log On

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Question 180752This question is from textbook Saxon Algebra 2
: Find an equation for the inverse of
y=3/4x+7
This is what I got so far:
x=3/4y+7
x-7=3/4y
...and then what?
This question is from textbook Saxon Algebra 2

Answer by stanbon(57307) About Me  (Show Source):
You can put this solution on YOUR website!
Find an equation for the inverse of
y=3/4x+7
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1st: Interchange x and y to get:
x = (3/4)y + 7
2nd: Solve for "y":
(3/4)y = x - 7
y = (4/3)(x-7)
y = (4/3)x - (4/3)7
y = (4/3)x - (28/3)
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Cheers,
Stan H.