Answer:
1
Step-by-step explanation:
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Answer:
Plus 2 (+2)
Step-by-step explanation:
The rate of change is always a constant change from the given first term to the next one. In this case, you are adding 2 each time:
3 + 2 = 5
5 + 2 = 7
7 + 2 = 9
etc.
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Answer:
..
Step-by-step explanation:
You could find out how much each letter equals then maybe times then together or add the.
Answer:

Step-by-step explanation:
<em>We'd add c in both sides</em>
7x = c + k
<em>Divide 7 in both sides isolate the variable</em>
7x/7 = x
c+k/7
x = c + k/7
Our answer is x = c+k/7
Distribute proporty
a(b+c)=ab+ac
3=a
b=40
c=7
3(40+7)=3*40+3*7