SOLUTION: 18:10:37 Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -7x + 5y = -56 -21x – 2y = -168 can so

Algebra ->  Problems-with-consecutive-odd-even-integers -> SOLUTION: 18:10:37 Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -7x + 5y = -56 -21x – 2y = -168 can so      Log On


   



Question 501716: 18:10:37 Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this.
-7x + 5y = -56
-21x – 2y = -168
can some one help me
i need some help

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Multiply the 1st eqn by 3, then subtract.
That eliminates x