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olganol [36]
2 years ago
12

A student is solving the system of equations below. In which line is a mistake first made?

Mathematics
1 answer:
AlexFokin [52]2 years ago
5 0

Answer:

line 1

Step-by-step explanation:

because

3x + 2y + z = 11 ➡ z = 11 - 3x - 2y

3x and 2y must change sign when transfer to other sid eof equation

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3 years ago
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