Write a sentence describing the meaning of the statement c(2)=40

Which of the following properties can be used to show

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount