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Popular >

sqrt(2x+7)=x-4

Solution

2 x + 7 = x - 4

Solution

x = 9

Solution steps

2 x + 7 = x - 4

Square both sides:

2 x + 7 = x^{2} - 8 x + 16

2 x + 7 = x^{2} - 8 x + 16

Solve

2 x + 7 = x^{2} - 8 x + 16 : x = 9, x = 1

x = 9, x = 1

Verify Solutions:

x = 9

True

, x = 1

False

The solution is

x = 9

Popular Examples

x = 12

10 - 3 x = x

cube root of x}=x^{1/3

x+7sqrt(x)-18=0

x + 7 x - 18 = 0

x^{2} + 1 = 0

Frequently Asked Questions (FAQ)

What is the answer to sqrt(2x+7)=x-4 ?
The answer to sqrt(2x+7)=x-4 is x=9
Solve for x: sqrt(2x+7)=x-4
The solution is x=9