abex34401 abex34401
  • 14-12-2018
  • Mathematics
contestada

Use the substation to solve the system of equations choose the correct ordered pair y=6x-4 y=7x-7

Respuesta :

jimrgrant1 jimrgrant1
  • 14-12-2018

Answer:

(x, y ) = (3, 14 )

Step-by-step explanation:

since both equations express y in terms of x, equate the right sides

7x - 7 = 6x - 4 ( subtract 6x from both sides )

x - 7 = - 4 ( add 7 to both sides )

x = 3

substitute x = 3 into either of the 2 equations for y

using y = 6x - 4 = (6 × 3 ) - 4 = 18 - 4 = 14

solution is (3, 14 )


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