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((4*x+1)^1)/4-4 = -1 // + 1
((4*x+1)^1)/4-4+1 = 0
(4*x+1)/4-4+1 = 0
(4*x+1)/4+(-4*4)/4+(1*4)/4 = 0
4*x-4*4+1*4+1 = 0
4*x-15+4 = 0
4*x-11 = 0
(4*x-11)/4 = 0
(4*x-11)/4 = 0 // * 4
4*x-11 = 0
4*x-11 = 0 // + 11
4*x = 11 // : 4
x = 11/4
x = 11/4
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