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Popular Functions >

inverse of (x+1)/2

Solution

inverse

\frac{x + 1}{2}

Solution

2 x - 1

Solution steps

y = \frac{x + 1}{2}

Replace

x

with

y

x = \frac{y + 1}{2}

Solve for

y, x = \frac{y + 1}{2}

2 x - 1

Graph

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Frequently Asked Questions (FAQ)

What is the inverse of (x+1)/2 ?
The inverse of (x+1)/2 is 2x-1