Question if-2-x

1.2 Linear Equations in One Variable - Single-variable equations (multi-step)
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If 2 x + 3 = 9 , what is the value of 6 x - 1 ?

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If 2 x + 3 = 9 , what is the value of 6 x -

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

The correct answer is 17 . It’s given that 2x+3=9. Multiplying each side of this equation by 3 yields 32x+3=39, or 6x+9=27. Subtracting 10 from each side of this equation yields 6x+9-10=27-10, or 6x-1=17. Therefore, the value of 6x-1 is 17 .