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tatyana61 [14]
3 years ago
8

Math (10 points) please help

Mathematics
1 answer:
Eddi Din [679]3 years ago
3 0

Answer:

x  = - 1,  y = 4

Step-by-step explanation:

A. We are going to use elimination method because we have +2y and -2y, and when we add these equations +2y and -2y are going to be eliminated.

B.

  x + 2y = 7

<u>+ 3x - 2y  = -11</u>

 4x         = - 4

  x         = - 1

x + 2y = 7

-1 + 2y = 7

     2y = 8

       y = 4

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