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3-((2/5)*x) = 101/35 // - 101/35
3-((2/5)*x)-(101/35) = 0
(-2/5)*x-101/35+3 = 0
4/35-2/5*x = 0 // - 4/35
-2/5*x = -4/35 // : -2/5
x = -4/35/(-2/5)
x = 2/7
x = 2/7
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