ajfijeoinf9314 ajfijeoinf9314
  • 21-02-2022
  • Mathematics
contestada

Use whichever method you choose to solve the system of equations: x + y = 6 and 3x + 5y = 26

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goldynsnead2 goldynsnead2
  • 21-02-2022
Substitution is the easiest
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chibabykalu16
chibabykalu16 chibabykalu16
  • 21-02-2022

Answer:

x = 7

y = 1

Step-by-step explanation:

[tex]x + y = 6 - - - - - (1)\\ 3x + 5y = 26 - - - - - - (2) \\ \\ \\ from \: equation \: (1) \\ collect \: like \: terms \\ y = 6 - x \: - - - - - (3) \\ substitute \: equation \: 3 \: into \: (2) \\ 3x + 5(6 - x) = 26 \\ 3x + 30 - 5x = 26 \\ collect \: like \: terms \\ 3x + 5x = 30 + 26 \\ 8x = 56 \\ x = \frac{56}{8 } \\ x = 7 \\ substitute \: x = 7 \: into \: equation \: (3) \\ y = 7 -6 \\ y = 1[/tex]

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