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2. x ≤ 3
3. y ≤ 3
4. x > 0
5. z > 1
6. x > ⅕
7. t > 2½
2.Ix-2I≤1 x+2≤1 x≤1-2 x≤-1
3.I3y+5I≤4 3y≤4-5 3y≤ - 1 y≤-1/3
4.|x+3| >3 x>3-3 x>0
5.|4z+1|>5 4z>5-1 4z>4 z>1
6.|3-5x|-2>0 3x+5-2>0 3x>0-5+2 3x>-3 x>-1
7.7-2*|t+1|>0 7-4It+1I>0 7-4t-4>0 -4t>0-7+4 - 4t>-3 t>1 1/3
2x<9 i -2x>9
x<4,5 i x>-4,5
x∈(-∞, -4,5)u(4,5 , ∞+)
2.|x-2|≤1
x-2≤1 i x+2≥1
x≤3 i x≥-1
x∈<-1,3>
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