The sum of twice a number and three times the number is thirty.
this is an equation
2x + 3x = 30
Two times the difference of a number and four.
this is an expression
2(x – 4)
Twelve less than a number is equal to the product of the number and five.
be careful with less than
x – 12 = 5x
Make it rain.
The who, what, where, when, and why of all your favorite quotes.
Go behind the scenes on all your favorite films.