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5*(x/4) = 7*(x-2) // - 7*(x-2)
5*(x/4)-(7*(x-2)) = 0
5*(x/4)-7*(x-2) = 0
(5*x)/4-7*(x-2) = 0
(-7*4*(x-2))/4+(5*x)/4 = 0
5*x-7*4*(x-2) = 0
56-23*x = 0
(56-23*x)/4 = 0
(56-23*x)/4 = 0 // * 4
56-23*x = 0
56-23*x = 0 // - 56
-23*x = -56 // : -23
x = -56/(-23)
x = 56/23
x = 56/23
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