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4(3x + 2) + 3(2x +3) - 28 = 7(2x + 5) + 6
|2x + 7| = 9
4x - 5y = 25 si |x| < 12



OFER CORONITA


Răspuns :

12x+8x+6x+9x-28=14x+35+6
29x=65
x=65/29