A)5a-3=4a+1
B)6d+3=3d
C)-5b+3=4b-4
D)7+2c=-5-c
E)5f-1=f+11
a=4
d=1
b=7
c=-4
f=3
A)
5a-3=4a+1
5a-4a=1+3
B)
6d+3=3d
6d-3d=-3
3d=-3
d=-1
C)
-5b+3=4b-4
-5b-4b=-4-3
-9b=-7
b=⁷/₉
D)
7+2c=-5-c
2c+c=-5-7
3c=-12
E)
5f-1=f+11
5f-f=11+1
4f=12
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a=4
d=1
b=7
c=-4
f=3
A)
5a-3=4a+1
5a-4a=1+3
a=4
B)
6d+3=3d
6d-3d=-3
3d=-3
d=-1
C)
-5b+3=4b-4
-5b-4b=-4-3
-9b=-7
b=⁷/₉
D)
7+2c=-5-c
2c+c=-5-7
3c=-12
c=-4
E)
5f-1=f+11
5f-f=11+1
4f=12
f=3