THESHINAZUGAWAFAN THESHINAZUGAWAFAN 10-02-2022 Mathematics contestada What is the result of multiplying the first equation by −3 and adding to the second equation? 5x−2y=−2 3x+y=12 A: -10x+8y=15 B: 12x+7y=18 C: -12x+7y=18 D: 8x-y=10
