3:13 5GO webassign.net 14. [-/1 Points ] DETAILS ROLFFM8 2. 1.020. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Solve the system of equations by elimination. 8x - 5y = -74 9x + 3y = -66 ( x, y ) = ( Additional Materials eBook 15. [-/1 Points] DETAILS ROLFFM8 2.1.024. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Solve the system of equations by elimination. 2x + 3y = 270 6x - 2y = 392 ( x, y ) = ( Additional Materials eBook 16. [-/1 Points] DETAILS ROLFFM8 2.2.002. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Use the elimination method to solve the system. X - 4y = 0 3x + 9y = 63 ( x, y) = ( Need Help? Watch It Additional Materials eBook 17. [-/1 Points] DETAILS ROLFFM8 2.2.010. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Use the elimination method to solve the system. x + 3y = 14 /+ Z= X + 4z = 15 ( x, y, z) = ( Additional Materials eBook 18. [-/1 Points] DETAILS ROLFFM8 2.2.020. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Write the system of equations represented by the augmented matrix. (Utilize the variables x, y, and z in that order. Enter your answers as a comma-separated list of equations.) 31 4 0 - 5 5 1 7 Additional Materials