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prove for that any value of x which is the domain the value of the expression does not depend on x
((3x+5)/2x-1)+((7x+3)/1-2x))\\

User Bender
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1 Answer

17 votes
17 votes

Explanation:


(3x+5)/(2x-1) +(7x+3)/(1-2x)=(3x+5)/(2x-1)-(7x+3)/(2x-1) =(-4x+2)/(2x-1)=-2.

this experssion does not depend on x, then for its domain: x∈(-∞;+∞).

User Jrbjazz
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