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3*x+3 = 27/8 // - 27/8
3*x-(27/8)+3 = 0
3*x-27/8+3 = 0
3*x-3/8 = 0 // + 3/8
3*x = 3/8 // : 3
x = 3/8/3
x = 1/8
x = 1/8
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