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3*x-(2*(142/111)) = 5 // - 5
3*x-(2*(142/111))-5 = 0
3*x-284/111-5 = 0
3*x-839/111 = 0 // + 839/111
3*x = 839/111 // : 3
x = 839/111/3
x = 839/333
x = 839/333
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