It is simply 20 -y as two terms of an expression
Let the number be x and so the expression would be: x+20
To help understand the math problem.
20 - 14
s - 20
If you understand them there are no difficulties.
It is simply 20 -y as two terms of an expression
represent the letters with numbers
Let the number be x and so the expression would be: x+20
To help understand the math problem.
The expression is: 2y -20
If x is used to represent the unknown number, then the expression for 20 times a number would be 20x.
20-n
20 - 14
s - 20
It is 2n + 20.
Saavy? is pretty much asking 'do you understand'. its a slang expression.