Drag the tiles to the boxes to form correct pairs. Not all tiles will be used. Match the equivalent expressions.
4(x + y) − 3(x + y)
3x + 3y + 2(2x − y)
(5x − 3y) − x + 3x − 5y
7x + y
7x − 8y
x − 4x + 6y + (14x − 5y)
5(x + y) + 6(x − y)
11x + y
11x − y

Item 1 which question could the expression 1000n answer? let n = the number of gallons of gas used. how many miles per gallon did the car get driving 1000 miles? let n = the number of grams of food needed for each dog. how many grams of food are needed to feed 1000 dogs? let n = the number of people at the show. how many empty seats were there at the show if there are 1000 seats at the theater? let n = the number of seats at the theater. how many empty seats will there by if 1000 people come to the show?