Solve the equations: the 7.8th =9.3 at - (-17.85)=12 5 512+z =-3 13 (five whole five twelfth plus zt exactly minus three whole the one third)

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1) the 7.8th =9.3 x=7.8-9.3 x =-1.5 Answer:-1.5 2) at - (-17.85)=12 at +17.85=12 y=12-17.85 y =-5.85 Answer:-5,85 3)5 5÷12+z =-3 1÷3 65÷12+z=-10÷3 65÷12+z=-40÷12 z=-40÷12-65÷12 z=-105÷12 =-8.75 Answer:-8.75
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