Keyword & Phrases
Combined
Addition "+"
Eight minus a number
8–n
+
Addition
n+13
A number increased by 13
What is the differences between Expression and Equation?
Expression doesn't use equal sign while Equation use the equal sign
Differences
Subtraction "–"
Ten less than some number
n–10
–
Subtraction
2n
twice n
The sum of 6 and 9 is 15.
6+9=15
Less than
Subtraction "–"
Twice a number minus seven
2n-7
a(b)
Multiplication
2n+4
4 more than twice n
Five times the difference of a number and 4
5(n–4)
Of
Multiplication "x"
Eleven added to three times a number.
3n+11
X
Multiplication
n/12
a number divided by twelve
9 times the difference of n and 5 gives 33
9(n–5)=33
Ratio
Divison
a number divided by four minus six
n/4 – 6
/
Divison
3/n
Quotient of 3 and n
The sum of 5n and 10 is equal to the product of n and 15
5n+10=15n