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(2/5)*(x-2)-1 = 0
2/5*(x-2)-1 = 0
2/5*(x-2)-1 = 0
2/5*x-9/5 = 0
2/5*x-9/5 = 0
2/5*x-9/5 = 0 // + 9/5
2/5*x = 9/5 // : 2/5
x = 9/5/2/5
x = 9/2
x = 9/2
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