Question Bank / Math / Linear Equations in One Variable
Linear equations in one variable SAT question
Math · Algebra · Easy · Answer it here, explanation included.
In the given equation, k is a constant. If the equation has infinitely many solutions, what is the value of k ?
Enter a number or fraction (like 3/17 or 0.176). Press Enter to check.
ExplanationShow
The correct answer is 5. Subtracting 
from both sides of the given equation gives 
, so for any value of x, if and only if . Therefore, if the given equation has infinitely many solutions, the value of k is 5.
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