LOL, lots of ways but to reduce it to absurd:
z = 3
5x - 4y = -z
2x + 7y = 5
How to write three linear system that are equivalent to the linear system shown?
5x-4y= -3
2x + 7y= 5
1 answer
5x-4y= -3
2x + 7y= 5
1 answer