brittanymo2000 brittanymo2000
  • 24-02-2021
  • Mathematics
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Given m||n, find the value of (x+12) 4x-7)°

Given mn find the value of x12 4x7 class=
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sqdancefan
sqdancefan sqdancefan
  • 24-02-2021

9514 1404 393

Answer:

  x = 35

Step-by-step explanation:

The marked consecutive interior angles are supplementary:

  (x +12)° +(4x -7)° = 180°

  5x +5 = 180 . . . . . collect terms, divide by °

  x + 1 = 36 . . . . . . . divide by 5

  x = 35 . . . . . . . . . . subtract 1

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