T3-8 and t7-24 then t10-?
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t3=a+2d=8
t7=a+6d=24
_________
-4d=-16
d=4
a+2*4=8
a=8-8=0
t10=a+9d=0+9*4=36
=
t7=a+6d=24
_________
-4d=-16
d=4
a+2*4=8
a=8-8=0
t10=a+9d=0+9*4=36
=
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