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x:3+x:2-1 > x:6+1:2 |*6
2x+3x-6 > x+3
5x-6 > x+3
5x-x > 3+6
4x > 9 |:4
x > 2,25
przykład 2
2(x-1)+3(x-2) ≤ 22
2x-2+3x-6 ≤ 22
5x-8 ≤ 22
5x ≤ 22+8
5x ≤ 30 |:5
x ≤ 6
2x+3x-6 > x+3
5x-6 > x+3
5x-x > 3+6
4x > 9
x > 2,25
2)2(x-1)+3(x-2) ≤ 22
2x-2+3x-6 ≤ 22
5x-8 ≤ 22
5x ≤ 30
x ≤ 6