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Popular >

x=sqrt(-x+20)

Solution

x = - x + 20

Solution

x = 4

Solution steps

x = - x + 20

Square both sides:

x^{2} = - x + 20

x^{2} = - x + 20

Solve

x^{2} = - x + 20 : x = 4, x = - 5

x = 4, x = - 5

Verify Solutions:

x = 4

True

, x = - 5

False

The solution is

x = 4

Popular Examples

t^{- \frac{1}{3}} = \frac{1}{2}

6 x - 5 = 7

x + x - 12 = 0

x-3=sqrt(11x+47)

x - 3 = 11 x + 47

sqrt(4x+25)+5=x

4 x + 25 + 5 = x

Frequently Asked Questions (FAQ)

What is the answer to x=sqrt(-x+20) ?
The answer to x=sqrt(-x+20) is x=4
Solve for x: x=sqrt(-x+20)
The solution is x=4