plantsstear plantsstear 15-11-2022 Mathematics contestada Which of these strategies will eliminate a variable to help you solve the system of equations to the right? Select all that apply. A Multiply the first equation by 2 and add it to the second equation. B Multiply the first equation by -2 and add it to the second equation. C Multiply the first equation by and add it to the second equation. D Multiply the second equation by 3 and add it to the first equation. E Multiply the second equation by and add it to the first equation