Répondre :
a) (6a-3)-(8a+11)>7-2(3a-2)
-2a-14 > 7-6a+4
4a > 25
a>25/4
b) 14-(5-6a) < 7(a-9)
9+6a <7a-63
72 < a
Bonsoir,
voila:
a) (6a-3)-(8a+11)>7-2(3a-2)
=-2a-14 > 7-6a+4
=4a > 25
=a>25/4
b) 14-(5-6a) < 7(a-9)
= 9+6a <7a-63
=72 < a
a) (6a-3)-(8a+11)>7-2(3a-2)
-2a-14 > 7-6a+4
4a > 25
a>25/4
b) 14-(5-6a) < 7(a-9)
9+6a <7a-63
72 < a
Bonsoir,
voila:
a) (6a-3)-(8a+11)>7-2(3a-2)
=-2a-14 > 7-6a+4
=4a > 25
=a>25/4
b) 14-(5-6a) < 7(a-9)
= 9+6a <7a-63
=72 < a