Choose the equivalent system of linear equations that will produce the same solution as the one given below.

4x - 2y = 6
2x + y = 5
a -4x - 2y = 10
-4y = 4
b -4x - 5y = -1
-7y = 5
c 4x + 2y = 10
8x = 16

Question

Choose the equivalent system of linear equations that will produce the same solution as the one given below.

4x - 2y = 6
2x + y = 5
a -4x - 2y = 10
-4y = 4
b -4x - 5y = -1
-7y = 5
c  4x + 2y = 10
8x = 16

legends · Answer

@iGreen. Any ideas

anonymous · Answer

Hmm..I guess we can graph.

anonymous · Answer

It would take too much time to solve all of this.

anonymous · Answer

Original system: https://www.desmos.com/calculator/cy8gn3eoz3 Option 1: https://www.desmos.com/calculator/fzqti47a4x Option 2: https://www.desmos.com/calculator/oqjzd9tqwi Option 3: https://www.desmos.com/calculator/5w17uctars Which Option has the same solution as the original system?