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-4 a + 7 > 2a - 3


9 (x-1) > 3x + 8

Merci à l’avance :)

Sagot :

EPHTAMINA890

-4 a + 7 > 2a - 3

-4a-2a > -3-7

-6a > -10

-6a/-6 > -10/-6

6a/6 < 10/6

a < (10÷2)/(6÷2)

a < 5/3

9 (x-1) > 3x + 8

9x-9 > 3x+8

9x-3x > 8+9

6x > 17

6x/6 > 17/6

x > 17/6

ABDULSHADIYA

9x>3x+8+9

9x>3x+17

9x−3x>17

6x>17

x>617