brebda
brebda brebda
  • 21-10-2021
  • Mathematics
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Find the value of x so that L||M

Find the value of x so that LM class=
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sqdancefan
sqdancefan sqdancefan
  • 21-10-2021

9514 1404 393

Answer:

  x = 19

Step-by-step explanation:

The marked (consecutive interior) angles will be supplementary when the lines are parallel.

  (3x +10)° +(5x +18)° = 180°

  8x = 152 . . . . . . . . . . . . . . . divide by °, subtract 28

  x = 19 . . . . . . . . . . . divide by 8

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