Which property justifies step 3 to 4?
1 3(2x-5) = -2
2 6x-15 = -9
3 6x-15 + 15 = -9 + 15
w
4
6x + 0 = 6
6x = 6
lii
6x = 6
1x = 1
0
x=1

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?