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3x + y = 7 1-2x - y = 9

3x + y = 7 1-2x - y = 9
asked 105k views
2 votes
3x + y = 7
1-2x - y = 9

asked
User Esharp
by
8.0k points

1 Answer

4 votes

Explanation:

3x + y = 7 ------ A

1-2x -y = 9

2x + y = -8 ------ B

A-B : x = 15 ........

so , 2(15) + y = -8

30 + y = -8

Y = -38 .......

answered
User Mike DaCosta
by
7.8k points
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