Answer:
x = 8
Explanation:
Given that two triangles are congruent, then the measure of corresponding angles are equal.
So we can write the following equation to find the value of x:
8x - 1 = 5x + 23
- isolate x by transferring like terms to the same side.
8x - 5x = 23 + 1
3x = 24
x = 8