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7/4 = 3*x-((2/2)*x) // - 3*x-((2/2)*x)
(2/2)*x-(3*x)+7/4 = 0
(2/2)*x-3*x+7/4 = 0
7/4-2*x = 0 // - 7/4
-2*x = -7/4 // : -2
x = -7/4/(-2)
x = 7/8
x = 7/8
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