What value of x makes the vertical parts of the letter n parallel? (4x + 12)°7x° when x = , the alternate interior angles are congruent and the vertical parts of the letter n are parallel.what is x?

x = 4

Step-by-step explanation:

We assume that the given expessions represent the measures of the alternate interior angles, so are equal.

... (4x + 12)° = 7x°

... 12 = 3x . . . . . . . divide by degrees, subtract 4x

... 4 = x . . . . . . . . . divide by 3

Then the angles are 7x° = 28° = (4x+12)°.

30+a

Step-by-step explanation:

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