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3x+y=15
3x-y=15 (using elimination method)

2 Answers

8 votes

Answer:

Explanation:

3x+y=15 3x-y=15 (using elimination method)-example-1
User Avia
by
3.2k points
9 votes

Answer:

x = 5

y = 0

Explanation:

3x + y = 15

3x -y = 15

Add the two equations;

6x = 30

Inverse operations;

6x = 30

/6 /6

x = 5

Back substitute;

3(5) + y = 15

15 + y = 15

y = 0

User Ekaterina Prigara
by
3.2k points