Question

Which system has no solution?

A
7x+y=−14



−14x+7y=28

B
x+y=−1



2x+2y=8

C
3x−3y=6



−5x−5y=15

D
−14x−6y=26



7x+3y=−13

Answer 1

x+y=-1

2x+2y=8

the correct answer is B