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6-2x-3x+3 < 7-7x-2x+2
9-5x < 9-9x
9-9 <-9x+5x
0 < -4x |:(-4)
0 > x
x < 0
dla wartości mniejszych od zera
6-2x-3x+3<7-7x-2x+2
-5x+9<-9x+9
4x<0 /÷4
x<0
spr.(za x podstawiamy 0)
2(3-0)-3(0-1)<7(1-0)-(2(0)-2)
2×(3)-3×(-1)<7×(1)-(-2)
6-3<7+2
3<9 /3
1<3