The fourth term of the sequence in which ( a_{1}=-5 ) and ( a_{n}=a_{n-1}-7 ) is

Question

Accepted Answer

Step:1 ：( a_{2} = a_{1} - 7 )Step:2 ：( a_{3} = a_{2} - 7 )Step:3 ：( a_{4} = a_{3} - 7 )

Answer

Step: 1 ：( a_{2} = a_{1} - 7 )Step: 2 ：( a_{3} = a_{2} - 7 )Step: 3 ：( a_{4} = a_{3} - 7 )

The fourth term of the sequence in which \( a_{1}=-5 \) and \( a_{n}=a_{n-1}-7 \) is