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23/01/2021 14:29:13

Bài tập tìm x


Tìm x
1/ 5.(4-x)-7.(-x+2)=4-9=3
2/ -3.(x-5)+6.(x+2)=9
3/ 4.x-5.(-3+x)=7
4/ 5.(x-3)-2.(x+6)=9
5/ 5.(x-7)+10.(3-x)=20
6/ -4.(x+1)+8.(x-3=24
7/ 7.(5-x) +5.(x-2)=15
8/ 4.(x-1)-3.(x-2)=-/-5/

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