1.26﹣2x=0.74 :x=:
x∶(1-40%)=24∶3
①x+36=100
②0.3x+3.2×5=22
③0.35:=x:6
5:x =2:8 3x÷2= 12
⑴4.5x + x= 11 ⑵ = ⑶ :8 = x :
60%x+14=32.6
5(x-2.8)=140
① ②
①1.5x-2.8=4.7
②
③12: =
①
③ =3:2