Perform the indicated operation.(7 - 6x7 + 2x9 + 7x8) + (9x8 - 9x7 + 8 + 6x9)
A. 9x48 + 15
B. 8x9 + 16x8 - 15x7 + 15
C. 8x18 + 16x16 - 15x14 + 15
D. 16x9 + 16x8 + 10x7 + 13
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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