Question

Solve the following equation and check the solutions.
(2+x)(7-x)/(5-x)(4+x)=1

Answer 1

(2+x)(7-x) / (5-x)(4+x) =1

(2 + x) (7x) = (5 - x) (4+ x) (by cross multiplication )

14 - 2x +7x - x^2 = 20 + 5x - 4x - x^2

14+ 5x = 20 + x

4x = 6

x = 6/4

x = 1.5

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