Matematyka : <
a) 4x-7 < 2x+3
b)-x+4>-3(x-1)
c)5(2x-3)-6 >_ 3(4x-3)
d)-0,2(5x-3)>_ x-0.1
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Matematyka : <
a) 4x-7 < 2x+3
b)-x+4>-3(x-1)
c)5(2x-3)-6 >_ 3(4x-3)
d)-0,2(5x-3)>_ x-0.1
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a)
4x-7 < 2x+3
2x-7 < 3
2x < 10
x < 5
b)
-x+4 > -3(x-1)
-x+4 > -3x-3
x-4 > 3x+3
x-7 > 3x
-7 > 2x
-3.5 > x
c)
10x-15-6 >> 3(4x-3)
10x-21 >> 12x-9
-21 >> 2x-9
-12 >> 2x
-6 >> x
d)
-0,2(5x-3) >> x - 0.1
-x - 0.6 >> x - 0.1
- 0.6 >> 2x - 0.1
-0.5 >> 2x
-0.25 >> x