Oblicz:
-(-x-4)+2x-7=
3x+(x+1)=
12x-a+x-10a=
3x(-x+1)=
8x-(13x-7)+(2x-5)=
7x-(x-2a+5)-(5x-3)+(2a-1)=
5x-(2-x)+x-2x+5=
8x-7a-2a+5x=
-(-3x-6)-9+x=
5x-(2x-7)+8=
Potrzebne na już daje naj wiec prosze o szybkie rozwiązanie!!!
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-(-x-4)+2x-7= x-4+2x-7 =3x - 11
3x+(x+1)=3x+x+1=4x +1
12x-a+x-10a= 13x - 11a
3x(-x+1)= -3x^2 +3x
8x-(13x-7)+(2x-5)= 8x - 13x + 7 + 2x - 5 = -3x - 2
7x-(x-2a+5)-(5x-3)+(2a-1)= 7x -x+2a-5-5x+3+2a-1=x+4a-3
5x-(2-x)+x-2x+5=5x-2+x+x-2x+5=5x + 3
8x-7a-2a+5x=13x -9a
-(-3x-6)-9+x=3x+6-9+x=4x - 3
5x-(2x-7)+8= 5x-2x+7+8=3x+15
-(-x-4)+2x-7=
x+4+2x-7=
3x+4-7=3x-3
12x-a+x-10a=
13x-11a
3x(-x+1)=
-3x2+3x = -6x3 to 3 to jest potęga
8x-(13x-7)+(2x-5)=
5x+1+2x-5=3
7x(x-2a+5)-(5x-3)+(2-1)=
7x2-14ax+5x+3+2-1=-2x4+4
5x-(2-x)+x-2x+5=
4x-2+x-2x+5=3x+3
8x-7a-2+5x=
8x+5x-7a-2=13x-7a-2
-(-3x-6)-9+x=
3x+6-9+x= 4x-3
5x-(2x-7)+8=
3x-7+8= 3x-15
proszę , nie wiem czy wszystko dobrze ;)