Question

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The lines s and t intersect at point R.

What is the value of y?

Answer 1

Answer:

Step-by-step explanation:

The angles labeled 4y - 8 and 79 + y are called vertical angles, and definition, vertical angles are congruent.  That means algebraically, that

4y - 8 = 79 + y and

3y = 87 and

y = 29

Answer 2

Answer:

Step-by-step explanation: