हल करना ((2 + x)(7 - x))/((5 - x)(4 + x)) = 1 | Equatix - Math Solver

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Example

3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

$$\frac{(2+x)(7-x)}{(5-x)(4+x)}=1$$