Bonjour,
Résoudre:
3x+2 ≤ 7
3x ≤ 7-2
x ≤ 5/3
S= ] - ∞; 53 ]
-x-4 > 3x+1
-x -3x > 1+4
x < -5/4
S= ] - ∞; -5/4 [
2x+15 ≤ 8x-17
2x-8x ≤ -17-15
x ≥ -32/-6
x ≥ 16/3
S= [ 16/3; + ∞ [
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Bonjour,
Résoudre:
3x+2 ≤ 7
3x ≤ 7-2
x ≤ 5/3
S= ] - ∞; 53 ]
-x-4 > 3x+1
-x -3x > 1+4
x < -5/4
S= ] - ∞; -5/4 [
2x+15 ≤ 8x-17
2x-8x ≤ -17-15
x ≥ -32/-6
x ≥ 16/3
S= [ 16/3; + ∞ [