Answer:
The answer is y = 9
Step-by-step explanation:
x + 3y = 4x + y
6 + 3y = 4(6) + y
2y = 18
y = 9
The simplified system is the arbitrary solution of the original system of equations.
Y=9
X=6
I have used an online Math Algebra problem solver to guide me to my answer and this is 100% sure the correct answer.
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Answer:9