Ask your own question, for FREE!
Mathematics 15 Online
OpenStudy (hailey_465):

Please help me 1.solve the system by substitution -2.5x+y=13.5 2.25x-y=12.25 A: (-5,1) B: (-1,5) C: (1,-5) D: (5,-1) 2.solve the system using elimination. 2x+6y=-12 5x-5y=10 A: (2,1) B: (0,-2) C: (-2,0) D: (1,2) 3.what is the solution to the following system. -3x-2y=-12 9x+6y=-9 A: (2,1) B: no solution C: (-2,-1) D: infinitely many solutions 4. what is the solution to the following system. 3x+2y=7 -2x+3/4y=-13 A: (5,4) B: (-5,4) C: no solution D: infinitely many solutions

OpenStudy (welshfella):

what have you done so far?

OpenStudy (hailey_465):

Nothing

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!