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[tex]8-3\cdot(-4)=8+12=\boxed{12}\\\\-6+(-12):3=-6+(-4)=-(6+4)=\boxed{-10}\\\\-3\cdot(-8):(-4)=24:(-4)=\boxed{-6}\\\\48:(-6)+(-2)\cdot(-9)=-8+18=18-8=\boxed{10}\\\\(-2)^3+28:(-4)=-8+(-7)=-(8+7)=\boxed{-15}\\\\-7\cdot8-(-16)+(-3)^2=-56+16+9=-40+9=\boxed{-31}[/tex]
