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Question

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Answer 1

А)
18-5х-2>2x+10
-5x-2x>10-16
-7x> -6
x< 6/7
(-∞; 6/7)

б)
1,75+2/3 х ≤ х+1 2/3
 2/3 х - х ≤1 2/3 - 1 3/4
- 1/3 х ≤ 1 8/12 - 1 9/12
- 1/3 х ≤ -1/12
х ≥1/12 :1/3
х ≥ 1/4
х ≥ 0,25
[0.25; ∞)

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