if a-b/a+b=3/4 then value of 2a-3b/2b+3a=?

if a-b/a+b=3/4 then value of 2a-3b/2b+3a=?
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3 Answers

a-b/a+b=3/4 ==>4a-4b=3a+3b==>a=- 7b

 

2a-3b/2b+3a= -14b-3b/2b+3a=-17b/-5b=17/5=3+ 2/5=3,40

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a-b/a+b=3/4     then by cross multiplication  4a-4b=3a+3b  so  a=7b       by substitution      14b-3b/2b+21b= 11b/23b = 11/23
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edited

if a=4b then it is greater than 2a=2b

 

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