sbmmw555mc sbmmw555mc 11-12-2022 Mathematics Answered 10. (04.02 LC) For the following system, if you isolated x in the second equation to use the substitution method, what expression would you substitute into the first equation? (1 point) 2x + y = 8 -x - 3y = -12 3y + 12 -3y + 12 3y - 12 -3y - 12