2n-5=21
add 5 to both sides
2n=26
divide both sides by 2
n=13
I hope I helped! :)
The answer is A, 75 degrees
add all like terms
2x+196
all triangles equal 180 degrees
2x+196=180
subtract the 196 from 180
2x= -16
divide
x= -8
plug into angle A
-8+83
A=75
Answer:
8b estaSIMPLIFIC ADA
Step-by-step explanation:
Answer:
It's a negative 4 and the variable n and can be used for anything or any equation.
Answer:
Answer 4. (5 1/3 hours)
Step-by-step explanation:
240/45=5.333333333
