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Which system of equations is equivalent to the following system? 4x + y = 4 2x + 7y = 28 4x + y = 4 −2x − 7y = 28 4x + y = 4 −8x − 28y = 112 −28x − 7y = −28 2x + 7y = 28 −8x − 2y = 8 2x + 7y = 28
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5 votes
Which system of equations is equivalent to the following system?

4x + y = 4
2x + 7y = 28

4x + y = 4
−2x − 7y = 28
4x + y = 4
−8x − 28y = 112
−28x − 7y = −28
2x + 7y = 28
−8x − 2y = 8
2x + 7y = 28

User Aman Tandon
by
7.3k points

2 Answers

1 vote

Answer:

c

Explanation:

User Craigds
by
8.1k points
5 votes

Answer:

C.

−28x − 7y = −28

2x + 7y = 28

Explanation:

User Simon Catlin
by
8.4k points
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