rozwiąż równania: 4b + 3 = 3b - 4 5d + 2 = 3d 6e - 7 = 9e + 5 6f -1 = f + 2
4b + 3 = 3b - 4
b=-7
5d + 2 = 3d
2d=-2|:2
d=-1
6e - 7 = 9e + 5
-3e=12|:(-3)
e=-4
6f -1 = f + 2
5f=3|:5
f=0,6
4b-3b=-4-3
5d-3d=-2
2d=-2
6e-9e= 5 +7
-3e= 12
e= -4
6f-f=2+1
5f=3
f=3/5
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4b + 3 = 3b - 4
b=-7
5d + 2 = 3d
2d=-2|:2
d=-1
6e - 7 = 9e + 5
-3e=12|:(-3)
e=-4
6f -1 = f + 2
5f=3|:5
f=0,6
4b + 3 = 3b - 4
4b-3b=-4-3
b=-7
5d + 2 = 3d
5d-3d=-2
2d=-2
d=-1
6e - 7 = 9e + 5
6e-9e= 5 +7
-3e= 12
e= -4
6f -1 = f + 2
6f-f=2+1
5f=3
f=3/5