Find the first 5 terms of u_n = 2n – 5

Find the first 5 terms of u_n = 9 + 2n

Find the first 5 terms of u_n = n + 1/2

Find the first 5 terms of u_n = 8/9 – 2/9n

u_n = 7n, find u_{12}

u_n = 5 + 2n, find u_{13}

u_n = 7/5n – 1, find u_{27}

u_n = 4/7 + 6/7n, find u_{15}

Work out the nth term of 6,13,20,27,34

Work out the nth term of 13,18,23,28,33

Work out the nth term of 11,18,25,32,39

Work out the nth term of 4,5,6,7,8

Work out the nth term 1 3/4,2 5/8,3 1/2,4 3/8,5 1/4

Work out the nth term of 4,6 2/3,9 1/3,12,14 2/3

Work out the nth term of 3/5,2/5,1/5,0,-1/5

Find the sum of 9+12+15…45(13 terms)

Find the sum of 0+1+2…42(43 terms)

Find the sum of 1+1 3/4+2 1/2…22 3/4 (30 terms)

Find the sum of -1/4+1/2+1 1/4…31 1/4 (43 terms)

Find the sum of -4+1+6…(30 terms)

Find the sum of 11+16+21…(36 terms)

Find the sum of 2+4 2/3+7 1/3…(45 terms)

Find the sum of 1+1 5/7+2 3/7…(29 terms)

Find the sum of 3/4+1 1/4+1 3/4…(12 terms)

Find the value of n 8+15+22…134 when S_n = 1349

Find the value of n 7+15+23…295 when S_n = 5587

Find the value of n 3+8+13…233 when S_n = 5546

Find the value of n 2+3 3/5+5 1/5…48 2/5 when S_n = 756

Find the value of n 1 1/4+1 1/2+1 3/4…7 when S_n = 99

Find the value of n -1/7+1/7+3/7…7 6/7 when S_n = 111 6/7

Find the sum of ∑_{k=1}^{22}(7k-2)

Find the sum of ∑_{k=1}^{16} (2+5k)

Find the sum of ∑_{k=1}^{19}(6-4k)

Find the sum of ∑_{k=1}^{33}(1/2 k-1/4)

Find the sum of ∑_{k=1}^{37} (k+1/2)

Find the sum of ∑_{k=1}^{21} (4-4k)

Find the sum of ∑_{k=1}^{37}(1-3/4k)

Find the sum of ∑_{k=9}^{44} (2k-2)

Find the sum of ∑_{k=2}^{20} (7k-8)

Find the sum of ∑_{k=3}^{31} (6-3k)

Find the sum of ∑_{k=4}^{23} (6+5k)

Find the sum of ∑_{k=8}^{32} (9/7 k-9/7)

Find the sum of ∑_{k=7}^{39} (3k+8/3)

Find the sum of ∑_{k=5}^{40} (3/4+1/8 k)

Find the sum of ∑_{k=5}^{42} (3/7+8/7k)