Question 6-r-7-
The given equation relates the variables , , and . Which equation correctly expresses in terms of and ?
6 r = 7 s + t The given equation relates the variables r , s
Medium-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 D is correct. Subtracting from both sides of the given equation yields . Dividing both sides of this equation by yields . Therefore, the equation correctly expresses in terms of and .
Choice A is incorrect and may result from conceptual or calculation errors.
Choice B is incorrect and may result from conceptual or calculation errors.
Choice C is incorrect and may result from conceptual or calculation errors.
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