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Sagot :

x/3=2/5
x=6/5

2x+1/2=1/3
2x=-1/6
x=-1/12

4-x/5=2x-1/3
20-x=10x-5/3
-11x=-65/3
x=65/33
SAMMED
1)     x= 6/5
2)     2x= (3+2)/6
       x= 5/12

3)   4+1/3= 2x+x/5
     13/3=11x/5
x =65/33

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