PLEASE HELP ASAP!!! 35 POINTS AND BRAINLIEST FOR FASTEST AND BEST ANSWER!!!
For the following system, if you isolated x in the first equation to use the Substitution Method, what expression would you substitute into the second equation?

−x + 2y = −6
3x + y = 8

−2y + 6
2y − 6
2y + 6
−2y − 6