Which property of addition is illustrated by each of the following examples? 12-13
+
-2 1-3
L
-:1-6
To 0 0
L000
]
1 0 6
-1 0-6

14 pointslet x be the seats in the small van and y the seats in the large van. how many seats does the large van have? a company uses two vans to transport worker from a free parking lot to the workplace between 7: 00 and 9: 00a.m. one van has 9 more seats than the other. the smaller van makes two trips every morning while the larger one makes only one trip. the two vans can transport 69 people, maximum.how many seats does the larger van have?

Analyze the solution below. 7 3 x = −2 7 3 x(3 7 ) = −2(3 7 ) x = − 6 7 what property was used to solve the equation? property of opposites division property of equality addition property of equality multiplication property of equality

Lines d, e, and f are parallel. that means they have the same slope. each of these lines has a slope of -3. enter numbers to complete an equation fir each line