Answer:
x=6
Step-by-step explanation:
Since the two lines are parallel, the angles are congruent to each other.
-4+14x=80
14x=84
x=6
Hope this helps!
The equation x² + 81 = (x + 10)² is equivalent to 
<h3>How to determine the equivalent equation?</h3>
The equation is given as:
Square both sides
x² + 81 = (x + 10)²
Although it can be further simplified, the above equation is equivalent to
Read more about equivalent equations at:
brainly.com/question/2972832
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Answer:
4x - 4
Step-by-step explanation:
Add up all common numbers and then subtract from the total amount.
Hope it helps :))
Your answer for your question is going to be.... um.... sorry I forgot
