rozwiąż równania i sprawdż
1) 2x+5+2x+10 = 4x+15
2) 3x-4,3=-12,4
3) (w ułamku) 1/3(3x-2)=6-x
4) 5+2u=9-3u
2x +2x - 4x = -5 - 10 + z5
x= 0
3x = 4,3 - 12,4
3x = 8,1 /: 3
x = 2,7
x- 2/3 = 6-x
x+ x= 2/3+ 6
2x= 20/3 /: 2
x= 10/3
2u + 3u = -5 + 9
5u = 4 /: 5
u= 0,8
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1) 2x+5+2x+10 = 4x+15
2x +2x - 4x = -5 - 10 + z5
x= 0
2) 3x-4,3=-12,4
3x = 4,3 - 12,4
3x = 8,1 /: 3
x = 2,7
3) (w ułamku) 1/3(3x-2)=6-x
x- 2/3 = 6-x
x+ x= 2/3+ 6
2x= 20/3 /: 2
x= 10/3
4) 5+2u=9-3u
2u + 3u = -5 + 9
5u = 4 /: 5
u= 0,8
LICZE NA NAJ :D !!