Oblicz ^^
3x-2(x-2)>3(x-4)-2(2-3x)
3x-2x+4>3x-12-4+6x
x+4>3x-16+6x /-6x
-5x+4>3x-16 /-3x
-8x+4>-16 /+16
-8x+20>0 /-20
-8x>-20 /*(-1)
8x<20 /:2
4x<10 /:2
2x<5 /:2
x<5/2
x<2,5
xE(-oo; 2,5)
3x-2x-3x-6x>-12-4-4
-8x>-20/(-8)
x<2 4/8
x<2 1/2
Myśle, że dobrze;)
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3x-2x+4>3x-12-4+6x
x+4>3x-16+6x /-6x
-5x+4>3x-16 /-3x
-8x+4>-16 /+16
-8x+20>0 /-20
-8x>-20 /*(-1)
8x<20 /:2
4x<10 /:2
2x<5 /:2
x<5/2
x<2,5
xE(-oo; 2,5)
3x-2(x-2)>3(x-4)-2(2-3x)
3x-2x+4>3x-12-4+6x
3x-2x-3x-6x>-12-4-4
-8x>-20/(-8)
x<2 4/8
x<2 1/2
Myśle, że dobrze;)