Question

What is the value of x?
84°
75°
x+15°
x+96°
D
E
F
G
H

Answer 1

Answer:

The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try!

Step-by-step explanation: