SOLUTION: what is the square root of x minus 2 minus 7 equals negative 4

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Question 188199This question is from textbook algebra 2 with trigonomtry
: what is the square root of x minus 2 minus 7 equals negative 4 This question is from textbook algebra 2 with trigonomtry

Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
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the square root of x minus 2 minus 7 equals negative 4
Assume the problem is:
sqrt%28x-2%29+-+7 = -4
:
Add 7 to both sides:
sqrt%28x-2%29 = -4 + 7
sqrt%28x-2%29 = 3
Square both sides;
x - 2 = 9
x = 9 + 2
x = 11
:
:
Check solution in original equation
sqrt%2811-2%29+-+7 = -4
sqrt%289%29+-+7 = -4