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natita [175]
3 years ago
12

Solve the following system of linear equations by graphing. 3x-2y=12 7x+2y=8

Mathematics
1 answer:
Artemon [7]3 years ago
4 0
3x - 2y = 12
<u>7x + 2y = 8</u>
      <u>10x</u> = <u>20</u>
       10     10
          x = 2
3(2) - 2y = 12
    6 - 2y = 12
<u>  +6           +6</u>
        <u>-2y</u> = <u>18</u>
         -2     -2
           y = -9
     (x, y) = (2, -9)
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