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-5(1-x)≥5
-5x+5≥5
-5x≥0/:(-5)
x≤0
)x-2) -4 (3-x) jest większe bądź równe 6
(x-2)-4(3-x)≥6
x-2-12+4x≥6
5x-14≥6
5x≥20/:5
x≥4
-5+ 5x≥5
5x≥10/:5
x≥2
b)(x-2)-4(3-x)≥6
x-2-12+4x≥6
5x≥20/5
x≥4