3x-21/5-1+x/2 = 3-x-1/2 then x
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3x-21/5-1+x/2 = 3-x-1/2
=> 3x + x + x/2 = 1 + 21/5 - 1/2
=> (8x + x)/2 = (1/2 + 21/5)
=> 9x/2 = (5 + 42)/10
=> x = 47/10 × 2/9
=> x = 47/45 (ans.)
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