3x+7 = 51-x
4x = 44
x = 11
answer
x = 11
Hello! The answer to your question would be as followed:
The original number of cards + number of new cards per month * number of months; 112 + 5m; cards
Answer:
2x+5
Step-by-step explanation:
Hope I helped :)
Answer:
The first term is:
Step-by-step explanation:
The arithmetic sequence is defined by

where
is the first term
is the common difference
as
the 17th term of an arithmetic sequence is 51.
i.e. 
so

∵
,
, 
∵ 

Therefore, the first term is:
Answer:
1.5
Step-by-step explanation: