oajsiaissi oajsiaissi
  • 09-09-2022
  • Mathematics
contestada

B is between A and C. If AB=x+2 , BC=2x−3 , and AC=5x7 , what is AB?

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jesscmheasley jesscmheasley
  • 09-09-2022

Answer:

-2

Step-by-step explanation:

x + 2 + 2x -3 = 5x + 7  Combine like terms

3x -1 = 5x + 7  Subtract 3x from both sides

-1 = 2x + 7 Subtract 7 from both sides

-8 = 2x  Divide both sides by 2

-4 = x

AB is x + 2

-4 + 2 = -2

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