Question

Which of the following would not be the result of a substitution in the following system?

2x + y = 7
y - x = 1

7 - 2x - x = 1
2x + x + 1 = 7
2(y + 1) + y = 7

Answer 1

umm

Answer 2

third

Answer 3

3

Answer 4

ik i just said it was the third one

Answer 5

wth i said the answer first i said the third one

Answer 6

third=3 same thing