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youngthugg95 youngthugg95
  • 12-09-2015
  • Mathematics
Answered

Use the matrix tool to solve the system of equations. Choose the correct ordered pair.


7x + 3y = 56 

6x + 6y = 72 

Verified Answer :

michelleshie michelleshie
  • 12-09-2015

( 7x + 3y = 56 ) × 2
14x + 6y = 112
6x + 6y = 72
__________ -
8x = 40
x = 5

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