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(7/5)*x-(9/5)+2 = 0
(7/5)*x-9/5+2 = 0
7/5*x+1/5 = 0 // - 1/5
7/5*x = -1/5 // : 7/5
x = -1/5/7/5
x = -1/7
x = -1/7
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