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Sagot :

bonjour

5/12x - 1/3 = 7/6

alors

5/12x = 7/6+1/3

5/12x = 7/6+2/6

5/12x=9/6

5/12x * 12/5 = 9/6 * 12/5

x = (9x12)/(6x5)

x = (9x6x2)/(6x5)

x = 18/5

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