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0,2x=0,8|*5
x=4
b)0,4+0,25x=-2
0,25x=-2,4|*4
x=-9,6
c)2,1-0,3x=0,4x
0,1x=-2,1|*10
x=-21
d)-1,5x-3=0,2x+6
-1,3x=9|/(-1,3)
x=30
Mam nadzieję, że pomogłem. ;)
tasty96
x=-4
b)0,25x=-2,4
x=-9,6
c)0,7x=2,1
x=3
d)1,7x=-9
x=-9*10/17
x=-5 5/17
0,2x=-0,5-0,3
0.2x=-0.8
x=-4
b)0,4+0,25x=-2
0.25x=-2-0.4
0.25x=-2.4
x=-9.6
c)2,1-0,3x=0,4x
-0.3x-0.4x=-2.1
-0.7x=-2.1
x=-2.8
d)-1,5x-3=0,2x+6
-1.5x-0.2x=6+3
-1.7x=9
x=-5.29