Answer:
Value of x is used to consider unknown value.
Step-by-step explanation:
Value of x is used to consider unknown value. The letter “x” is commonly used in algebra to indicate an unknown value. It is referred to as a “variable” or, in some cases, a “unknown.” In x + 2 = 7, x is a variable.
Answer:
Step-by-step explanation try b:
Answer:
I guess the answer is
8
Step-by-step explanation:
The answer for question 4 is C and the answer for question 5 is D.
Answer:
No
Step-by-step explanation:
5-2=3
Inverse/reciprocal =7