If you distribute -5 to the things in the parenthesis you would get 10k-20 which is the same as -5(-2k+4)
Arithmetic sequences have a pattern of numbers that are positive and negative but are a constant amount.
In this case the answer is A.
2x + y = 10
5x - y = 18
7x = 28
x = 4
2(4) + y = 10
8 + y = 10
y = 2
(4,2)
Answer:
A. d + c = 50
4d + 2c = 174
Step-by-step explanation:
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