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b) 4b+3=3b-4 b=-7
c) 7+3c=-5+2c c=-12
d) 5d+2=3d d=-1
e) 6e-2=7e+5 e=-7
f) 6f-1=f+2 f=3/5
2a-a=1+3
a=4
b)4b+3=3b-4
4b-3b=-4-3
b=-7
c)7+3c=-5+2c
3c-2c=-5-7
c=-12
d)5d+2=3d
5d-3d=-2
2d=-2
d=-1
e)6e-2=7e+5
6e-7e=5+2
-e=7
e=-7
f)6f-1=f+2
6f-f=2+1
5f=3
f=3/5
2a-a=1+3
a=4
b) 4b+3=3b-4
4b-3b=-4-3
b=-7
c) 7+3c=-5+2c
3c-2c=5-7
c=-2
d) 5d+2=3d
5d-3d=-2/2
d=-1
e) 6e-2=7e+5
6e-7e=5+2
-e=7/(-)
e=-7
f) 6f-1=f+2
6f-f=2+1
5f=3/5
f=3/5