ZRQS, what of one of the
Use the diagram shown.
re collinear.
5 and LN = 17.
alue of MN?
12. If mZ1 equals (2x + 3) and m23
equals (6x - 17), what is the value
of x? What is mZ1?
13. If m 2 equals (15a + 8) and m23
equals (5a - 8), what is the value
of a?
Cso that
hat is x?

Step-by-step explanation:

Given:

Solution:

∠1 and ∠3 are vertical angles.

We know the property that vertical angles are equal:

Given

Solution

∠2 and ∠3 are supplementary angles.

We know the property that supplementary angles add up to 180°:

here is the

mark brainliest pl

it is x=-4

step-by-step explanation: