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Find the value of x in the equation 9 – 4x = 57.        A. –16.5   B. –12   C. 16.5   D. 12

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astephens238

the following answer to this question is 12

answer is b. -12

first subtract 9 from both sides leaving you with -4x=48. Now, divide -4 on both sides and get x=-12


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