Respuesta :

Answer:

x=7

Step-by-step explanation:

we have,

7x-7=4x+14         use the transposing method

7x-4x=14+7

3x=21

x=21/3

x=7

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L is parallel to M. Then,
7x - 7 = 4x + 14
7x - 4x = 14 + 7
3x = 21
x = 7