-x+3 = 2(x-3)
-x+3 = 2x-6
-x-2x = -6-3
-3x = -9
x = 3
spr. :
-3+3 = 2(3-3)
0 = 6-6
0=0
m.zerowe:
-x+3 = 0
-x =-3
2(x-3) = 0
2x -6 = 0
2x = 6
x =3
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-x+3 = 2(x-3)
-x+3 = 2x-6
-x-2x = -6-3
-3x = -9
x = 3
spr. :
-3+3 = 2(3-3)
0 = 6-6
0=0
m.zerowe:
-x+3 = 0
-x =-3
x = 3
2(x-3) = 0
2x -6 = 0
2x = 6
x =3