8x+1.2=5.25*0.7-x=30.86*92=79.128x=43.5-x=30.9*6=5.4 x=0.5x=0.57*0.06=0.42 24*0.3=7.2 1.6*5=817*2.4=40.8 165*0.07=11.55736/3.2=230 6.8/0.75=47.41/0.57...