Subtract.(2x7 + 7x9 + 5 + 7x8) - (1 - 3x8 + 5x9 + 5x7)
A. 2x9 + 10x8 - 3x7 + 4
B. 12x9 + 4x8 + 7x7 + 4
C. 2x9 + 4x8 + 7x7 + 6
D. 12x9 + 4x8 + 7x7 + 6
Answer: A
Mathematics
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