historyman historyman 22-03-2017 Mathematics contestada HELP ME PLS I NEED TO PASS THIS TEST OR I FAIL 8TH GRADE Solve the following system of equations using Substitution or Elimination. -2x + 4y =48 x + 4y =24 A. (-8, 8) B. (2, 13) C. (8, 4) D. (8, -8)