43-2x=40-3x+1 12+x=3-x+21 4(x-2)+5(x-1)=15 2(x-3)+3(x-1)=1 5(x-2)-4(x+2)=15 4(x-3)-5(x+2)=-15 2(x-1)-4(-3)-12=0

43-2x=40-3x+1
12+x=3-x+21
4(x-2)+5(x-1)=15
2(x-3)+3(x-1)=1
5(x-2)-4(x+2)=15
4(x-3)-5(x+2)=-15
2(x-1)-4(-3)-12=0

0 bình luận về “43-2x=40-3x+1 12+x=3-x+21 4(x-2)+5(x-1)=15 2(x-3)+3(x-1)=1 5(x-2)-4(x+2)=15 4(x-3)-5(x+2)=-15 2(x-1)-4(-3)-12=0”

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