sofe42 sofe42
  • 08-06-2020
  • Mathematics
contestada

Solve for x and y
5x + 3y = 7
y=4

Respuesta :

DoubleNickel55 DoubleNickel55
  • 08-06-2020

Answer:

-1

Step-by-step explanation:

plug in y, subtract 12 from seven, divide -5 by 5

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