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MariaM123 Group Title

Solve the system of linear equations by the substitution method x = 3y + 30 3x + 6y = 0 Can someone show me the steps as to how to do this? Thanks!

  • one year ago
  • one year ago

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  1. AonZ Group Title
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    x = 3y + 30 3x + 6y = 0 now we sub x into the 2nd equation since x = 3y + 30 3(3y + 30) = 0

    • one year ago
  2. AonZ Group Title
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    3(3y +30 ) +6y = 0 sorry

    • one year ago
  3. AonZ Group Title
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    9y + 90 + 6y = 0 15y + 90 = 0 15y = -90 y =-6 now can you find x value?

    • one year ago
  4. eSpeX Group Title
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    Good job demonstrating and not just handing out the answer, @AonZ.

    • one year ago
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spraguer (Moderator)
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