Respuesta :

Answer:

The value of x in NLM is 13.

Step-by-step explanation:

We have a triangle NLM where,

angle M=(4x-4),

angle L=(3x+12); and

angle N=(6x+3).

We know that the sum of angles of a triangle = 180° so we will add these angles and put them equal to 180 to solve for x:

[tex](4x-4) + (3x+12)+(6x+3)=180[/tex]

[tex]4x+3x+6x+12+3-4=180[/tex]

[tex]13x=180-11[/tex]

[tex]13x=169[/tex]

[tex]x=13[/tex]

Therefore, the value of x in triangle NLM is equal to 13.