Question

evaluate independent practice
lesson 9.4 homework
□ complete problems 11, 18, and 19 for independent practice.
when you are finished, check the solutions with your teacher.
find the values of x and y.
11)
integrated math 1 b credit 3 page 16

Explanation:

Step1: Solve for y (vertical angles)

Vertical angles are equal, so set $5y = 7y - 34$.
Rearrange: $34 = 7y - 5y$ → $34 = 2y$ → $y = \frac{34}{2} = 17$

Step2: Solve for x (vertical angles)

Vertical angles are equal, so set $8x + 7 = 9x - 4$.
Rearrange: $7 + 4 = 9x - 8x$ → $11 = x$

Answer:

$x=11$, $y=17$