SOLUTION: . Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 4x + 8y = 16 -2x + 5y = 55

Algebra ->  Customizable Word Problem Solvers  -> Evaluation -> SOLUTION: . Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 4x + 8y = 16 -2x + 5y = 55       Log On

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Question 665064: . Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this.
4x + 8y = 16
-2x + 5y = 55

Answer by vleith(2983) About Me  (Show Source):
You can put this solution on YOUR website!
4x+%2B+8y+=+16
-2x+%2B+5y+=+55 multiple this one by 2
-4x+%2B+10y+%2B+110 now add this one to the first one
4x+%2B+8y+=+16
-4x+%2B+10y+%2B+110
-----------------
18y+=+126
y+=+7
use that solve for x
4x+%2B+8%2A7+=+16
4x+%2B+56+=+16
4x+=+-40
x+=+-10