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w in (-oo:+oo)
13*w-3 = (1/4)*(52-(12*w)) // - (1/4)*(52-(12*w))
13*w-((1/4)*(52-(12*w)))-3 = 0
(-1/4)*(52-12*w)+13*w-3 = 0
13*w-1/4*(52-12*w)-3 = 0
13*w-1/4*(52-12*w)-3 = 0
16*w-13-3 = 0
16*w-16 = 0
16*w-16 = 0
16*w-16 = 0 // + 16
16*w = 16 // : 16
w = 16/16
w = 1
w = 1
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