x+26.3=94解:x=94-26.3 x=63.7x÷4.5=5.6解:x=4.5×5.6 x=25.25x-8.4=56.1解:5x=56.1+8.4 x=64.5÷5 x=12.83x-15×4=348解:3x=348+60 x=408÷3 x=136
