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(2*x-3)/5-7 = 0
(2*x-3)/5+(-7*5)/5 = 0
2*x-7*5-3 = 0
2*x-38 = 0
(2*x-38)/5 = 0
(2*x-38)/5 = 0 // * 5
2*x-38 = 0
2*x-38 = 0 // + 38
2*x = 38 // : 2
x = 38/2
x = 19
x = 19
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