解方程:(1)4x=3x+5 (2)1/2x-7=3 (3)4x-7=6x+9 (4)3(x-5)=-21(5)1+2x/2=2-1+x/4 (6)2x-1/0.7=x/0.3-1/7 (7)5-6(5/6-x-1/3)=2(x-3/4)

问题描述:

解方程:(1)4x=3x+5 (2)1/2x-7=3 (3)4x-7=6x+9 (4)3(x-5)=-21
(5)1+2x/2=2-1+x/4 (6)2x-1/0.7=x/0.3-1/7 (7)5-6(5/6-x-1/3)=2(x-3/4)