6. Rezolvați ecuațiile următoare , unde x este număr rațional : a. 2/3 × ( x - 4/3 ) = 3/5
b. 3/5 × ( x - 4/3 ) = 3/5
c. -x + 4/7x = -3
d. -10/11x + 1 = 17/22
e. x +7/8 = 3/4
f. x - 2/3 × 5/4 = 5/12
[ URGENTTT ]

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