Asked by Katie

Find the value of A + B if the A is the first term and B is the common difference of the sequence whose 4th term is 3 and 20th term is 35
Answered by Shiela
what is fractions?
Answered by Steve
A + 3B = 3
A + 19B = 35

16B = 32
B = 2
so, A = -3

A+B = -1
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