解方程专题练习——成都三心学堂家教网
(1)2x-8.4=10 (2)9x-5x=60 (3)6x+2.7×6=84 (4)8x-6x=7.2 (5)12x-9x=8.7 (6)6x+18=48(7)3(x+2.1)=10.5 (8)x+4.8=7.2 (9)0.8×(7.2+х)=7.92(10)6.2х-х=41.6 (11)4x-0.4=9.4 (12)7x÷3=8.19(13)5x+45=300 (14)8x-13.6=0 (15)4x-0.5x=0.7 (16)4x-3.6﹦2.4 (17)5.6+x=12(18)5x÷0.8﹦3.2(19)...