Math, asked by Anonymous, 3 months ago

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  • Correct Question -

→ (2 + x)(7 - x)/(5 - x)(4 + x) = 1

→ (2 + x)(7 - x) = (5 - x)(4 + x)

→ 2(7 - x) + x(7 - x) = 5(4 + x) - x(4 + x)

→ 14 - 2x + 7x - x² = 20 + 5x - 4x - x²

→ 14 + 5x - x² = 20 + x + x²

→ 14 - 20 + 5x - x = 0

→ -6 + 4x = 0

→ 4x = 6

→ x = 6/4 = 3/2

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