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Verified answer
7 = (3 × 5) + (X × 6) + (4 × 7) + (4 × 8) + (2 × 9) / (3 + x + 4 + 4 + 2)7 = (15 + 6x + 28 + 32 + 18) / (13 + x)
7(13 + x) = 93 + 6x
91 + 7x = 93 + 6x
7x - 6x = 93 - 91
x = 2 (A)