rozwiąż nierówności;
a)3(x+2)-2(x-1)≤7
b)2(x-1)-x≤0
c)4(x+1)≤3x+1
daje naj
3x+6-2x+2≤7
x≤7-2-6
x≤-1
2x-2-x≤0
x≤2
4x+4≤3x+1
4x-3x≤1-4
x≤-3
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a)3(x+2)-2(x-1)≤7
3x+6-2x+2≤7
x≤7-2-6
x≤-1
b)2(x-1)-x≤0
2x-2-x≤0
x≤2
c)4(x+1)≤3x+1
4x+4≤3x+1
4x-3x≤1-4
x≤-3