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6-3+3+1<4x+3x
7<7x||:7
1<x
x>1
b)2,4x-2,4-4,5<1,5-1,8x
2,4x+1,8x<1,5+2,4+4,5
4,2x<8,4||:4,2
6-4x-3<3x-3-1
-4x-3x<-3-1-6+3
-7x<-7:-7
x>1
b) 2,4(x-1)-4,5<3(0,5-0,6x)
2,4x-2,4-4,5<1,5-1,8x
2,4x+1,8x<1,5+2,4+4,5
4,2x<8,4|4,2
x<2
d) 2(x+2)/3-2-3x/9>>9
2x+4/3-2-3x/9>>9|*9
18x+12-18-3x>>81
18x-3x>>81-12+18
15x>>87|:15
x>>5,8
6-2x-3<3x-3-1
-2x-3x<-6+3-3-1
-5x<-7/:(-5)
X>7/5
b)2,4(x-1)-4,5<3(0,5-0,6X)
2,4x-2,4-4,5<1,5-1,8x
2,4+1,8<2,4+4,5+1,5
4,2x<8,4
x<8,4:4,2
x<2
jednak nie wiem o co ci chodzi:)