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Popular >

sqrt(7-x)=x-1

Solution

7 - x = x - 1

Solution

x = 3

Solution steps

7 - x = x - 1

Square both sides:

7 - x = x^{2} - 2 x + 1

7 - x = x^{2} - 2 x + 1

Solve

7 - x = x^{2} - 2 x + 1 : x = 3, x = - 2

x = 3, x = - 2

Verify Solutions:

x = 3

True

, x = - 2

False

The solution is

x = 3

Popular Examples

solvefor y,x=sqrt(4-y)+1 solve for

y, x = 4 - y + 1

p^{- \frac{3}{4}} = 8

9 x^{\frac{7}{2}} - 63 = 0

sqrt((6(x+4)-4)/2)=4

\frac{6 ( x + 4 ) - 4}{2} = 4

solvefor x,x^{0.7}=2 solve for

x, x^{0.7} = 2

Frequently Asked Questions (FAQ)

What is the answer to sqrt(7-x)=x-1 ?
The answer to sqrt(7-x)=x-1 is x=3
Solve for x: sqrt(7-x)=x-1
The solution is x=3