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
Answer Link
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