Need help this is for MATH

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

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Question 5 of 10 2 points if a population is a sample of the population could be a. registered voters; all citizens o o b. baptists; all religious people o c. people who purchased shoes; all customers o d. the entire school faculty; math teachers