x+2.4=7.6 0.7÷x=3.5 72-0.6x=5.4
5x+1.2x=31 3x-2×1.5=4.2 4(x-5.6)=18.4
①x-2.7=13.3
②x+16=56
③2x+5x=14.7
④3(x-2.4)=33
⑤7x+18=32
⑥(2x-5)÷6=4