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3*x+3/10 = 93/10 // - 93/10
3*x+3/10-(93/10) = 0
3*x+3/10-93/10 = 0
3*x-9 = 0 // + 9
3*x = 9 // : 3
x = 9/3
x = 3
x = 3
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