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! A variable doesn't have to be "x", it could be "y", "w" or any letter, name or symbol. See: Variable.
Step-by-step explanation:
252 you multiply the 42 and 12 then devoid even by 2
It is 16.256 because I went to google and found it.... yep that simple.
Distributing property because you distribute the 4 to both the x and the -6
