1/3x-1=1/4x+1/2 0.02x=0.8x-7.8 3x-1=2x+5 2x+2=4x+6 6(x-5)=-24 5(x-5)+2x=-4 2-(1-x)=-2
问题描述:
1/3x-1=1/4x+1/2 0.02x=0.8x-7.8 3x-1=2x+5 2x+2=4x+6 6(x-5)=-24 5(x-5)+2x=-4 2-(1-x)=-2
答
1/3x-1=1/4x+1/24-12x=3+6x18x=1x=1/180.02x=0.8x-7.80.78x=7.8x=103x-1=2x+5x=62x+2=4x+6 2x=-4x=-26(x-5)=-246x-30=-246x=6x=15(x-5)+2x=-4 5x-25+2x=-47x=21x=32-(1-x)=-22-1+x=-2x=-3