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Pls help me calculate the inverse of y equals 2x over x-7

Pls help me calculate the inverse of y equals 2x over x-7
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5 votes
Pls help me calculate the inverse of y equals 2x over x-7

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User Gulshan S
by
7.8k points

1 Answer

2 votes
y = 2x/x-7

x = 2y/y-7

xy - 7x = 2y

-7x = 2y - xy

-7x = y(2-x)

y = -7x / 2-x

y = 7x / x-2


f-¹(x) = 7x / x-2

answered
User Jose R
by
7.9k points
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