Ответы на вопрос:
2+ x> 8 -x x+x> 8-2 2x> 6 x> 3 x∈(3 ; +∞) ============================ 2x + 1> x+6 2x-x> 6-1 x> 5 z∈(5; + ∞) ============================ 4x + 2> 3x+1 4x-3x> 1-2 x > -1 x∈(-1; + ∞) ============================ 6x+1< 2x+9 6x-2x< 9-1 4x< 8 x< 8/4 x< 2 x∈(-∞; 2) ============================ x+3> 5 x> 2 x∈(2; +∞)
X+x> 8-2 2x> 6 x> 6: 2 x> 3 (3; + 2x-x> 6-1 x> 5 (5; + 4x-3x> 1-2 x> -1 (-1; 6x-2x< 9-1 4x< 8 x< 8: 4 x< 2 ; 2)
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