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Multiple choice

Find a root of the equation ( 1 − 3 x ) + ( 3 x + 7 ) = 2 ( x + 5 ) .

  1. 0

  2. 1

  3. -1

  4. − 1

Reveal answer Fill a bubble to check yourself
C Correct answer
AI explanation
  • AI 1

Simplify the equation to get 8 = 2x + 10. Solving this gives 2x = -2, so x = -1. The root is -1.

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