brianluna brianluna
  • 14-06-2019
  • Mathematics
contestada

2. Solve for x:
x+5= y
3x + y = 12​

Respuesta :

Аноним Аноним
  • 17-06-2019

Answer:

x = 7/4

Step-by-step explanation:

Substitue for y

3x + x + 5 = 12

4x + 5 = 12

4x = 7

x = 7/4

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