1.Rzowiąż nierówność
a)1-2/3x ≤ 8+5/3x
b)2/3x+1 ≥ 1/2x-2
c)2,5x-1/4<3/4x+1
1 i 2/3-1/2x=x/6-1
5/3-1/2x=x/6-1 /*6
10-3x=x-6 /+6
16-3x=x /+3x
4x=16 /:4
x=3
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1 i 2/3-1/2x=x/6-1
5/3-1/2x=x/6-1 /*6
10-3x=x-6 /+6
16-3x=x /+3x
4x=16 /:4
x=3