bonjour
5 + 2 x < - 4
2 x < - 4 - 5
2 x < - 9
x < - 9/2 = - 4.5
S ] - ∞ ; - 4.5 [
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bonjour
5 + 2 x < - 4
2 x < - 4 - 5
2 x < - 9
x < - 9/2 = - 4.5
S ] - ∞ ; - 4.5 [