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zfghiiooi5
11.06.2021 •
Mathematics
Solve the system of equations below using the elimination method.
Show how you determined your solution.
4x+y=23
3x-y=12
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Ответ:
The solution is (5, 3)
Step-by-step explanation:
To solve this system of linear equations, let's use elimination by addition and subtraction. This approach is particularly easy because one equation already has +y and the other -y, summing up to zero:
4x+y=23
3x-y=12
7x = 35
Then x must be 5.
Substituting 5 for x in the first equation, we get
4(5) + y = 23. Then 20 + y = 23, or y = 3.
The solution is (5, 3)
Ответ:
answer:
b maybe or may not be right