Question

plzz btado 30u +44 v = 10 ye issko kaise solve Kiya plz shii jha se mujhe solve krke btao STSi will mark u 3time I ask this question...
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Answer 1

Answer:

are wo method hi esa h hum usko assumption krte h phir jb cross multipication method use krne ke baad jb u aur v ka answer aajata h uss value ko hum 1/x-y ,1/x+y m put krte h