a7=16 and a8=19 find a6
PrabhasineeSahoo:
answer is 13
because the common difference is 3
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d=a8-a7=19-16=3
a7=a+6d=16
a+18=16
a=-2
A6=a+5d
=-2+5*3
=13
a7=a+6d=16
a+18=16
a=-2
A6=a+5d
=-2+5*3
=13
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