решите систему уравнения:
5х-8 ≤ 0
3х + 4 >0
7-3х < 1
1,8 - х ≤ 1,9
5х-8 ≤ 0 5x≤8 x≤8/5 x≤1.6
3х + 4 >0 3x>-4 x>-4/3
7-3х < 1 -3x<1-7 -3x<-6 3x>6 x>6/3 x>2
1,8 - х ≤ 1,9 -x≤1.9-1.8 -x≤0.1 x≥-0.1
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Answers & Comments
5х-8 ≤ 0 5x≤8 x≤8/5 x≤1.6
3х + 4 >0 3x>-4 x>-4/3
7-3х < 1 -3x<1-7 -3x<-6 3x>6 x>6/3 x>2
1,8 - х ≤ 1,9 -x≤1.9-1.8 -x≤0.1 x≥-0.1