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x/5+7/4-(3/2) = (4*x)/5 // - (4*x)/5
x/5-((4*x)/5)+7/4-(3/2) = 0
x/5+(-4/5)*x+7/4-3/2 = 0
1/4-3/5*x = 0 // - 1/4
-3/5*x = -1/4 // : -3/5
x = -1/4/(-3/5)
x = 5/12
x = 5/12
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