Question 1-7-b-
The given equation relates the positive numbers , , and . Which equation correctly expresses in terms of and ?
1 7 b = 11 x y The given equation relates the positive numbers b ,
Hard-difficulty · SAT Math · Linear Equations in One Variable — Variables on both sides. Read the question above, select your answer, and check the full explanation below to understand exactly why the correct choice works.
Answer explanation
Choice C is correct. Multiplying each side of the given equation by yields the equivalent equation . Dividing each side of this equation by yields , or .
Choice A is incorrect. This equation is not equivalent to the given equation.
Choice B is incorrect. This equation is not equivalent to the given equation.
Choice D is incorrect. This equation is not equivalent to the given equation.
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