Answer :
Considering that lines m and n are parallel, we have that angles (7x - 30)º and (6x - 10)º are congruent angles, hence the value of x is of x = 20º.
What does the problem show?
The problem is incomplete, but researching it on the internet, we have that:
There are two parallel lines, and the angle of (6x - 10)º is alternate interior with the opposite angle by the same vertex of (7x - 30)º, hence they are congruent.
What are congruent angles?
Congruent angles are angles that have the same measure, hence, the value of x can be found as follows:
7x - 30 = 6x - 10
7x - 6x = 30 - 10
x = 20.
The value of x is of x = 20º.
More can be learned about congruent angles at https://brainly.com/question/25215131
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