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)
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)
(1)4x=3x+54x-3x=5x=5(2)1/2x-7=31/2x=10x=20(3)4x-7=6x+9-7-9=6x-4xx=-8(4)3(x-5)=-21x-5=-7x=-2(5)1+2x/2=2-1+x/41+x=1+x/4x=0(6)2x-1/0.7=x/0.3-1/7-4/3x=9/7x=-27/28(7)5-6(5/6-x-...
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