Question

answer the question
value of x
best answer I will mark brainliest​

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!

Answer 2

Answer:

this answer is x=80° please follow my