4xz=16
4z or 4*z
2f
An algebraic expression can have a mixture of numbers and variables, but it does not contain an equals sign.
If x is used to represent the unknown number, then the expression for 20 times a number would be 20x.
Expressed as an algebraic expression, this would be equal to 7x - 5.
You have to assign some variable name to "a number", for example, "n". The difference would be: 20 - n Half this difference is: (1/2) (20 - n) Or alternately: (20 - n) / 2
Assuming you call your number "n", the expression would be "14n". You can replace "n" with whatever variable you want to use.
If the number is represented by variable x, then twice the number is represented by 2x.
2f
If you call your number x, the expression would be 5x.
An algebraic expression can have a mixture of numbers and variables, but it does not contain an equals sign.
it is the number you would use to solve the problem
Yes. A variable by itself, or anything that contains a variable, would be a variable expression (unless the variable cancels out, as in "x - x", which always has the same value).
25x= 5
2 would be the coeeficient the coefficient is the number before the variable
It would be: 6/x whereas x is the unknown variable
A variable expression is an expression which contains variables(symbol that represents a certain value). For example, 4a-90. 4a-90 would be the expression an a is a variable
That would be the expression 8x + 3.