Which is the simplified version of: 7x + 12 + 3x = -6 (x - 7) + 9x

A. 5x = -30

B. 7x = -54

C. 7x = 30

D. 7x = -19

PLEASE DON’T GUESS :(
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What is the size of the matrix resulting from

The number of lattes sold daily for two coffee shops is shown in the table: lattes 12 52 57 33 51 15 46 45 based on the data, what is the difference between the median of the data, including the possible outlier(s) and excluding the possible outlier(s)? 48.5 23 8.4 3

Combine the information in the problem and the chart using the average balance method to solve the problem.