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4½x-5 ½x ≥ +2-5
x≥-3 /- 1
x <_3
) 3x+ 2 < x +6
3x-x< +6-2
2x<4/2
x<2
-7x + 5 ≥ 11 - 10x
-7x+10x ≥11-5
3x≥6/3
x≥2
PoOZdrawiam.;*
4,5x-5,5x ≥ 2-5
-x ≥ -3 |*(-1)
x ≤ 3
x∈(-∞; 3>
2) 3x+ 2 < x +6
3x-x < 6-2
2x < 4 |:2
x < 2
x∈(-∞; 2)
3) -7x + 5 ≥ 11 - 10x
-7x+10x ≥ 11-5
3x ≥ 6 |:3
x ≥ 2
x∈ <2; +∞)
4½x + 5 ≥ 5 ½x+2
4½x-5½x ≥ 2-5
-x ≥ -3
x ≤ 3
2)
3x+ 2 < x +6
3x-x < 6-2
2x < 4
x < 2
3)
-7x + 5 ≥ 11 - 10x
-7x+10x ≥ 11-5
3x ≥ 6
x ≥ 2