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6x-4>x
-4>x-6x
-4>-5x
4/5<x
b)
mnozymy przez 15 i otrzymujemy;
5x-9x≥15
-4x≥15
x≤-15/4
;)))))))
6x - 4 > x
6x - x > 4
5x > 4 /:5
x>4/5
x/3-3x/5 ≥ 1 / *15
5x - 9x ≥ 15
-4x ≥ 15 / -4
x ≤ -15/4