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Nonlinear equations in one variable and systems of equations in two variables SAT question
Math · Advanced Math · Easy · Answer it here, explanation included.
What value of x satisfies the equation above?
Enter a number or fraction (like 3/17 or 0.176). Press Enter to check.
ExplanationShow
The correct answer is 117. Squaring both sides of the given equation gives 
, or 
. Subtracting 4 from both sides of this equation gives 
.
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