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11. Calculati:
a) 9(x - 2) = -63;
c) 2(4x + 1) = 2(5x – 7);
e) 1 - 4.(-5• (x - 2)] = 21;
g) (x + 3)•(x - 7) = 0;

Vreau sa ma verific! Repedeee!!!❤️❤️​