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w in (-oo:+oo)
-(5*w)-(3*w)-3/4 = -257/44 // + -257/44
-(5*w)-(3*w)-3/4-(-257/44) = 0
257/44-5*w-3*w-3/4 = 0
56/11-8*w = 0 // - 56/11
-8*w = -56/11 // : -8
w = -56/11/(-8)
w = 7/11
w = 7/11
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