heja!!!
Oblicz !!!!
6x + ................. x =23x
-9a +........... a = 3a
4b - ...................... = 11b
............ y +2x - 5y - .......... x= -9y-4x
3m +................ - 2n + ............... m +8 + -6m-2n
.................. s- .............. t -8t+ 5 s +t =0
Dam naj!!!
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-9a + 12 a = 3a
4b - 15 = - 11b
-4y +2x -5y -6x = -9y -4 x
3m + ........ nie ma znaku =
-5s- 7t -8t + 5s +t= 0