Question if-7-x
1.2 Linear Equations in One Variable - Single-variable equations (multi-step)
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If , what is the value of ?
A.
B.
C.
D.
If 7 x = 28 , what is the value of 8 x ?
Easy-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. Dividing both sides of the given equation by yields . Substituting for in the expression yields , which is equivalent to .
Choice A is incorrect. This is the value of .
Choice C is incorrect. This is the value of .
Choice D is incorrect. This is the value of .
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