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(9*x)/10-3 = 2-((19*x)/20) // - 2-((19*x)/20)
(9*x)/10+(19*x)/20-3-2 = 0
37/20*x-5 = 0 // + 5
37/20*x = 5 // : 37/20
x = 5/37/20
x = 100/37
x = 100/37
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