anonymous
  • anonymous
Trevor solved the system of equations below. What mistake did he make in his work? 2x + y = 5 x − 2y = 10 y = 5 − 2x x − 2(5 − 2x) = 10 x − 10 + 4x = 10 5x − 10 = 10 5x = 0 x = 0 2(0) + y = 5 y = 5 a. He should have substituted 5 + 2x b. He combined like terms incorrectly, it should have been 4x instead of 5x c. He subtracted 10 from the right side instead of adding 10 to the right side d. He made no mistake
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
Can anyone help.......
triciaal
  • triciaal
|dw:1438297261357:dw|
anonymous
  • anonymous
Add 10 to both sides

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anonymous
  • anonymous
5x=20
anonymous
  • anonymous
yup
triciaal
  • triciaal
now read the question again and look at the answer choices
anonymous
  • anonymous
Oh so it would be c?
triciaal
  • triciaal
yes!
anonymous
  • anonymous
Okay thank you!
triciaal
  • triciaal
you are welcome

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