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realsofia

Solve the system of equations by substitution. What is the solution for x? 2x + y = 1 4x + 2y = −1 A x = 0 B x = 2 C There is no x value as there is no solution. D x can be any value as there is an infinite number of solutions. My answer is B, am I Correct

  • one year ago
  • one year ago

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  1. Rosy95
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    rewrite an equation 2x+y=1 y=-2x+1 sub it in the other equation 4x+2(-2x+1)=-1 4x-4x+2=-1 4x-4x=-3 The x's cancel out so there is no other x.

    • one year ago
  2. realsofia
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    so i wasn't correct?

    • one year ago
  3. realsofia
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    so it would be C right?

    • one year ago
  4. Rosy95
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    Yes, B and D will not be the answers

    • one year ago
  5. Rosy95
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    Most likely A or C.

    • one year ago
  6. realsofia
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    thanks for your help i say C is the answer :)

    • one year ago
  7. Rosy95
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    Your Welcome

    • one year ago
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