Math Problem Statement

Solve for x and y using the given angle relationships where the angle on the left is given as (8y + 17) degrees and adjacent angles (vertically opposite) are (6x - 7) degrees and (3x - 29) degrees.

Solution

The image presents an angle relationship problem, where you need to solve for xx and yy using the given expressions for angles. Based on the diagram, there are two intersecting lines, labeled ll and mm, with several angle expressions provided.

Key Information:

  • The angle on the left is given as 8y+178y + 17^\circ.
  • The angle adjacent to it (vertically opposite angle) is given as 6x76x - 7^\circ.
  • Another angle below that one is given as 3x293x - 29^\circ.

From angle relationships, we know that vertically opposite angles are congruent (equal). Therefore, we can set up equations based on this fact:

Step 1: Solve for xx

Using vertically opposite angles, we can equate 6x76x - 7 to 3x293x - 29: 6x7=3x296x - 7 = 3x - 29 Solve for xx: 6x3x=29+76x - 3x = -29 + 7 3x=223x = -22 x=223orx=223x = \frac{-22}{3} \quad \text{or} \quad x = -\frac{22}{3}

Step 2: Plug xx into the second equation to find yy

We can use the fact that the sum of angles on a straight line is 180180^\circ (linear pair). So, the sum of the angles 8y+178y + 17^\circ and 3x293x - 29^\circ should equal 180180^\circ: (8y+17)+(3x29)=180(8y + 17) + (3x - 29) = 180 Substitute x=223x = -\frac{22}{3} into this equation to solve for yy.

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Math Problem Analysis

Mathematical Concepts

Geometry
Angle Relationships
Linear Equations

Formulas

Equating vertically opposite angles
Sum of angles on a straight line = 180 degrees

Theorems

Vertically Opposite Angles Theorem
Linear Pair Postulate

Suitable Grade Level

Grades 7-10