2/3 x x + 4 = -12 3/4 + 1/4 : x = -3 11/12 - ( 2/5 + x) = 4/3

2/3 x x + 4 = -12 3/4 + 1/4 : x = -3 11/12 - ( 2/5 + x) = 4/3
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