Dez71703 Dez71703 30-04-2018 Mathematics contestada PLEASE HELP!! Jordan wants to solve the following system using the elimination method: 2x + 3y = 10 x + y = 7 What number should the equation x + y = 7 be multiplied by to eliminate y? Select one: a. −2 b. 2 c. −3 d. 3