Zredukuj wyrazy podobne:  -a+2b-4c-7a+1-6b= 2x+3y-11+(-6x)-4y-2= m-6n+12m+7m-10n+15= -10x-5y+4-x-2y+8x= 4st-2s+9t-5ts+3= Proszę, na jutro! 

Zredukuj wyrazy podobne:  -a+2b-4c-7a+1-6b=-8a-4b-4c+1 2x+3y-11+(-6x)-4y-2=-4x-y-13 m-6n+12m+7m-10n+15=20m-16n+15 -10x-5y+4-x-2y+8x=-3x-7y+4 4st-2s+9t-5ts+3=-st-2s+9t+3

-a+2b-4c-7a+1-6b= =-8a-4b-4c+1 2x+3y-11+(-6x)-4y-2= =2x-y-13-6x= =-4x-y-13= =-(4+y+13) m-6n+12m+7m-10n+15= =20m-16n+15 -10x-5y+4-x-2y+8x= =-3x-3y+4 4st-2s+9t-5ts+3= =-st-2s+9t+3