26-04-2017
Mathematics

contestada

Use the elimination method to solve the system of equations. Choose the correct ordered pair.

6x + 7y = 96
6x - 7y = 12

Respuesta :

JohnnysteinR JohnnysteinR

26-04-2017

6x + 7y = 96

6x - 7y = 12

12x (Add 6x + 6x) =108 (Add 96 +12)

x= 9

6(9) + 7y = 96

54 + 7y= 96

7y = 42 (95 - 54)

y= 6

x= 9 y= 6

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