Rozwiąż równania:
a) 1 - 4x + 5 + 2x = 7 - 2x
b) 9 - 2m = 5 - 2m
c) 3x + 5 - 7x = 2 - 4x + 3
d) x - 4 + 9 - 6x = 6x - 6
e) 10n - 3 - 2n = 3n - 13 + 2n
f) 4x - 3 + 2x = 8x - 3
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a) 2x-4x+2x=7-1
0=6
b) 2m-2m=5-9
0=-4
c) 3x-7x+4x=2-5+3
0=0
d) x-6x-6x=4-9-6
-11x=-11 /: (-11)
x=1
e) 10n-2n-3n-2n=-13+3
3n=-10 /: 3
n= -10/3
n= -3 1/3
f) 4x+2x-8x=-3+3
-2x=0 /: (-2)
x= 0
był błąd w f .. poprawiłam już ;D