Vocabulary
The sum of a number and 3.
n+3
15+x=24
x=9
What is the constant.
2x-16=18
-16,18
94-m=13
-m=-81
A letter which represents an unknown number.
x
m+3=-4
m=-7
Same angles
Vertical angles
3x+3=12
x=3
A line across a circle
Circumference
2(x+5)-7=3(x-2)
x=9