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anonymous

  • one year ago

What would be the first step in when solving the following linear system by substitution? 3x+y=0 x=4+y

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  1. anonymous
    • one year ago
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    Substitute the expression you got into the other equation in place of the letter you got alone. Solve the equation for that variable. Plug the answer back into either equation and solve for the second variable.

  2. anonymous
    • one year ago
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    Hope that helps.

  3. anonymous
    • one year ago
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    Thanks!

  4. anonymous
    • one year ago
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    your welcome.

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