①6.3+x=10.7
②4(x+2.5)=10.4
③3x+2.4x=10.8
④3.82+1.5x=6.1
⑤8.7x-2x=6.03
⑥(6.4+2x)÷6=4.8
4x+3x=20.3 2.5(x-4)=20 5x-0.45x2=3.6
⑴x+0.7=2 ⑵12x=96 ⑶x÷2.5=5
⑷ ⑸6.3÷x=7 ⑹
⑺2x+23×4=134 ⑻5(3.4+x)=32 ⑼13.2x+9x=33.3
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
x+32=60
4y﹣3.6=8.4
(3m﹣7)÷5=16
5.6+x=8.8 2x+6x=9.6 6(x+1.2)=9