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anonymous

  • one year ago

Use substitution to solve the system. 2x+3y=10 y=3x+7

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  1. anonymous
    • one year ago
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    @Nnesha @phi

  2. anonymous
    • one year ago
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    @zepdrix

  3. MrNood
    • one year ago
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    the second equation tells you that y EQUALS 3x+7 SO Go to the first equation - and wherever there is a y you can write 3x+7 when you do that you can see that there is only x in the new equation - so you can work out x Do that first...

  4. anonymous
    • one year ago
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    2x+3(3x+7)= 10?

  5. MrNood
    • one year ago
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    yes- good now distribute the 3 into th ebracket - and collect 'like terms' together

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