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((2*x+3)^1)/2-7 = 0
(2*x+3)/2-7 = 0
(2*x+3)/2+(-7*2)/2 = 0
2*x-7*2+3 = 0
2*x-11 = 0
(2*x-11)/2 = 0
(2*x-11)/2 = 0 // * 2
2*x-11 = 0
2*x-11 = 0 // + 11
2*x = 11 // : 2
x = 11/2
x = 11/2
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