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Sagot :

5(x-1)+2(4x+3)=7x
5x-5+8x+6=7x
5x+8x-7x=5-6
6x=-1
x=-1/6
5(x-1)+2(4x+3)=7x
5x-5+8x+6=7x
5x+8x-7x=5-6
6x=-1
x=-1/6

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