-8 because when you add a negative number your basically subtracting its absolute value.
Sent a picture of the solution to the problem (s).
Answer:
Step-by-step explanation:
Equation
L = a + (n - 1)*d
Givens
L = 55
a = 13
n =8
Solution
55 = 13 + (8 - 1)*d Combine
55 = 13 + 7d Subtract 13 from both sides
55 - 13 = 7d
42 = 7d Divide by 7
d = 6
Answer:
The number is 59
Step-by-step explanation:
13×4-2+9=59