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Popular >

sqrt(x+13)=x-7

Solution

x + 13 = x - 7

Solution

x = 12

Solution steps

x + 13 = x - 7

Square both sides:

x + 13 = x^{2} - 14 x + 49

x + 13 = x^{2} - 14 x + 49

Solve

x + 13 = x^{2} - 14 x + 49 : x = 12, x = 3

x = 12, x = 3

Verify Solutions:

x = 12

True

, x = 3

False

The solution is

x = 12

Popular Examples

x = 8 x

2 - x = x + 10

x - 3 + 5 = x

x^{3} = x

m + 55 + 1 = m

Frequently Asked Questions (FAQ)

What is the answer to sqrt(x+13)=x-7 ?
The answer to sqrt(x+13)=x-7 is x=12
Solve for x: sqrt(x+13)=x-7
The solution is x=12