Question

Which linear system has been correctly solved for one of the variables from the following system?

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

a) 2x - y = -1 y = 2x - 7
b) 2x - y = -1 y = -2x + 7
c) y = 2x + 1 2x + y = -7
d) y = -2x + 7 2x + y = -7

Answer 1

Any ideas?

Answer 2

i think its c

Answer 3

You got it!!!
:D

Answer 4

thanks

Answer 5

Good job.