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Which equation shows the substitution method being used to solve the system of linear equations? x – y = 7 x = y + 3 A. (y + 3) – y = 7 B. x – (y + 3) = 7 C. x – y = y + 3 D. x = (7 – x) + 3
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Which equation shows the substitution method being used to solve the system of linear equations?

x – y = 7

x = y + 3



A.


(y + 3) – y = 7


B.


x – (y + 3) = 7


C.


x – y = y + 3


D.


x = (7 – x) + 3

User Katelynn
by
8.3k points

2 Answers

3 votes
The answer is: [A]: (y + 3) – y = 7
User Vivek V Dwivedi
by
6.6k points
4 votes
a because you plug in what x equals
User Yury Kozlov
by
8.6k points
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