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11 = (8*x+7)/3 // - (8*x+7)/3
11-((8*x+7)/3) = 0
(-1*(8*x+7))/3+11 = 0
(-1*(8*x+7))/3+(3*11)/3 = 0
3*11-1*(8*x+7) = 0
26-8*x = 0
(26-8*x)/3 = 0
(26-8*x)/3 = 0 // * 3
26-8*x = 0
26-8*x = 0 // - 26
-8*x = -26 // : -8
x = -26/(-8)
x = 13/4
x = 13/4
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