Question 49-x-9
How many solutions does the given equation have?
Zero
Exactly one
Exactly two
Infinitely many
- 49 x = - 98 x How many solutions does the given equation have?
Hard-difficulty · SAT Math · Linear Equations in One Variable — Single-variable equations (multi-step). Read the question above, select your answer, and check the full explanation below to understand exactly why the correct choice works.
Answer explanation
Choice B is correct. Adding to each side of the given equation yields . Dividing each side of this equation by yields . This means that is the only solution to the given equation. Therefore, the given equation has exactly one solution.
Choice A is incorrect and may result from conceptual or calculation errors.
Choice C is incorrect and may result from conceptual or calculation errors.
Choice D is incorrect and may result from conceptual or calculation errors.
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