Rozwiąz równania :
1) 1+2[3(x-1)-5(2x-3)]=2x-7
2) 5( x-1) -2(x+3)=3x+2
3) 3(2x-3)+2(x-4)=4(x-2)-3(5-x)
4) 4(x-2)-5(3x-9)=0
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2) 5x-5-2x-6=3x+2
5x-2x-3x=2+5+6
0=13
3) 6x-9+2x+8=4x-8-15+3x
6x+2x-4x-3x=9-8-15
x=-14
4) 4x-8-15x+45=0
4x-15x=8-45
-11x= -37/(-11)
x=3,36
1) 1+2[3x-3-10x+15]=2x-7
1+6x-6-20x+30=2x-7
1-6+30+7=2x-6x+20x
32=16x| :16
x=2
2) 5x-5-2x-6=3x+2
5x-2x-3x=2+5+6
0=13
L nierówna P
3) 6x-9+2x-8=4x-8-15+3x
6x+2x-4x-3x=-8-15+9+8
x=-6
4) 4x-8-15x+45=0
4x-15x=0+8-45
-11x=-37|:(-11)
x= 3 (4 pierwiastki z 11)