6th term 14 and 14th term 6. What is the 20th term
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Step-by-step explanation:
x+5d=6th term =14
x+13d= 14th term= 6
substract them
x+5d-(x+13d)=14-6
x+5d-x-13d=8
-8d=8
d= -1
x=?
x+5x-1= 14
x=19
so 20th term is x+19d= 19+ 19x-1 = 0
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