Rozwiąż nierówność 5(x-1)/6-1>bądż równe2(x+1)/3prosze o szybie rozwiązanie
5(x-1)/6 - 1 ≥ 2(x+1)/3 /*6
5(x-1) - 6 ≥ 4(x+1)
5x -5-6≥ 4x +4
x ≥ 15
x∈ < 15 , + ∞ )
5(x-1)/6-1 ≥ 2(x+1)/3
5x-5 / 5 ≥ 2x+2 / 3
x-1 ≥ 2x+2 / 3
3x-3 ≥ 2x+2
x-3≥2
x ≥ 5
x ∈ <5, ∞)
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5(x-1)/6 - 1 ≥ 2(x+1)/3 /*6
5(x-1) - 6 ≥ 4(x+1)
5x -5-6≥ 4x +4
x ≥ 15
x∈ < 15 , + ∞ )
5(x-1)/6-1 ≥ 2(x+1)/3
5x-5 / 5 ≥ 2x+2 / 3
x-1 ≥ 2x+2 / 3
3x-3 ≥ 2x+2
x-3≥2
x ≥ 5
x ∈ <5, ∞)