21-10-2021
Mathematics

contestada

Find the value of x so that L||M

Find the value of x so that LM class=

Respuesta :

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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