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Marizza181 [45]
3 years ago
5

2x + y = 3

Mathematics
1 answer:
kaheart [24]3 years ago
5 0

9514 1404 393

Answer:

  5y = 5

Step-by-step explanation:

  -2(x -2y) +(2x +y) = -2(-1) +(3) . . . . -2 times [eq2] + [eq1]

  -2x +4y +2x +y = 2 +3 . . . . eliminate parentheses

  5y = 5 . . . . . . . . collect terms

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