Respuesta :
Answer:
The solution is (x, y) = (1, 2).
Step-by-step explanation:
Notice that you can substitute y = 2x in the first equation to get x = 4(2x) - 7. Therefore,
x = 8x - 7
-7x = -7
x = 1
Then plug this into y = 2x to get y = 2(1) = 2.
Answer:
The solution is (x, y) = (1, 2).
Step-by-step explanation:
Notice that you can substitute y = 2x in the first equation to get x = 4(2x) - 7. Therefore,
x = 8x - 7
-7x = -7
x = 1
Then plug this into y = 2x to get y = 2(1) = 2.