Respuesta :
Answer:
A) x - y = 12
B) x = 4y +3 or x - 4y = 3
A) x - y = 12
B) x - 4y = 3
We subtract B) from A)
3y = 9
y = 3
A) x -y = 12
x - 3 = 12
x = 15
Step-by-step explanation:
Answer:
A) x - y = 12
B) x = 4y +3 or x - 4y = 3
A) x - y = 12
B) x - 4y = 3
We subtract B) from A)
3y = 9
y = 3
A) x -y = 12
x - 3 = 12
x = 15
Step-by-step explanation: