I would imagine that this is "4 quarts in a gallon".
q=-4.
4 angles in a quadrilateral
4
4 Quarts in a Gallon
-12q+4=q-6 4-6=q+12q -2=13q q=-2/13
8 q would be 2 g
14
4 Quarters in a Circle
PQR P=2 Q=4 R=5 2 x 4 x 5 = 40
4 quarts in a gallon
lines in a quadrilateral