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2) 3t-2t-2=4
t=4+2
t=6
3) 8-p+4=3p+13
3p-p =13-8-4
2p=13-12
2p=1
p=1/2
4) 4-a-2=2a-6
2-a-2a=-6
-3a=-8
a=8/3
5) 2c+2=5c-7
2c-5c=-7-2
-3c=-9
c=3
6) 7e-21=4+9e-15
7e-9e=-11+21
-2e = 11
e =-11/2
d= -10
2) 3t-2t-2 =4
t=6
3) 8-p+4=3p+13
-4p=1
p= -1/4
4) 4-a-2 = 2a-6
-3a=-8
a= 8/3
5) 2c+2= 5c-7
-3c=-9
c= 3
6) 7e-21= 4+9e-15
-2e=10
e= -5