Rozwiąż równania: 2a-3=a+1 4b+3=3b-4 7+3c=-5+2c 5d+2=3d 6e-7=9e+5 6f-1=f+2 Moglibyście przy okazji wytłumaczyć o co w tym chodzi?
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2a-3=a+1/-a
a-3=1/-3
a=-2
4b+3=3b-4/-3b
b+3=4/-3
b=1
7+3c=5+2c/-2c
7+c=5/-7
c=-3
6e-7=9e+5/-9e
-3e-7=5/-7
-3e=-2/:(-3)
e=-5
6f-1=f+2/-f
5f-1=2/-1
5f=1/:5
f=0,2
2a-3=a+1|-a
a-3=1/-3
a=-2
4b+3=3b-4|-3b
b+3=4/-3
b=1
7+3c=5+2c | -2c
7+c=5 | -7
c=-3
6e-7=9e+5 | -9e
-3e-7=5 | -7
-3e=-2|:(-3)
e=-5
6f-1=f+2|-f
5f-1=2|-1
5f=1|:5
f=0,2