= b. 4x – 2y = 16 dan 2x + y = -6! bantuin kak​

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= b. 4x – 2y = 16 dan 2x + y = -6! bantuin kak​

  • Persamaan

4x – 2y = 16 … (1)

2x + y = -6 … (2)

  • Nilai x

4x – 2y = 16

4x + 2y = -12

_____________+

8x = 4

x = ½

  • Nilai y

4x – 2y = 16

4x + 2y = -12

___________-

-4y = 28

y = -7

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