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20.We have, (2x-1)/3 – (6x-2)/5 = 1/3
By taking LCM for 3 and 5 which is 15 ((2x-1)×5)/15 – ((6x-2)×3)/15 = 1/3 (10x – 5)/15 – (18x – 6)/15 = 1/3 (10x – 5 – 18x + 6)/15 = 1/3 (-8x + 1)/15 = 1/3 By using cross-multiplication we get, (-8x + 1)3 = 15 -24x + 3 = 15 -24x = 15 – 3 -24x = 12 x = -12/24 = -1/2 ∴ x = -1/2Read more on Sarthaks.com - https://www.sarthaks.com/664463/solve-the-equation-and-also-verify-your-solution-2x-1-3-6x-2-5-1-3
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