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anonymous

  • one year ago

Solve the following system of equations by substitution: 4x + 3y = 12 y = x – 10 (Points : 4) (–4, 6) (6, –4) (–7, 3) (3, –7) HELPPPPPPPPPPPP PLEASEEEEEEEEEE

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  1. pooja195
    • one year ago
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    Since you already know what y equals plug it into E1 in place of y \[\huge~4x + 3(x-10) = 12 \]

  2. pooja195
    • one year ago
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    Now solve for x ^

  3. anonymous
    • one year ago
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    WHATTTT??

  4. pooja195
    • one year ago
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    distribute. 3(x−10)

  5. anonymous
    • one year ago
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    ohh so 3-10

  6. anonymous
    • one year ago
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    c maybe

  7. anonymous
    • one year ago
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    @pooja195

  8. anonymous
    • one year ago
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    ?

  9. pooja195
    • one year ago
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    3x-30 so 4x+3x-30=12 combine like terms.

  10. anonymous
    • one year ago
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    IMM SOO CONFUSED

  11. pooja195
    • one year ago
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    http://www.mathsisfun.com/algebra/substitution.html read that

  12. anonymous
    • one year ago
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    ok I did

  13. pooja195
    • one year ago
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    4x+3(x−10)=12

  14. pooja195
    • one year ago
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    3x-30 so 4x+3x-30=12 combine like terms.

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spraguer (Moderator)
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