Combining Like Terms
4d + 5d
9d
(6 + 25 − 7) ÷ 6
4
2(x+3)
2x + 6
s + 25 = 48
s = 23
Desi is birdwatching and sees c cardinals in a tree. After a gust of wind, 4 of the cardinals fly away.
Write an expression that represents the problem.
c - 4
6r − r + 4
5r + 4
72 ÷ 9 + 7
15
8(a - 12)
8a - 96
8f = 48
f = 6
Lewis spent d dollars on 4 concert tickets for a group of his friends. Each ticket cost the same amount.
Write an expression that represents the problem.
d / 4
2a + 6a + 5b − 3b
8a + 2b
(8 + 5) × (35/5) + 6
97
7(3g + 9)
21g + 63
x/3=12
x = 36
The last time Jaelle visited Adventure Island, she rode her favorite roller coaster, Maximum Velocity, d times.
Maximum Velocity has a ride time of 145 seconds. Write an expression that shows how many seconds Jaelle spent riding Maximum Velocity the last time she visited Adventure Island.
145 x d
12g + 6f − 2f − 5g − 4f
7g
(2 + 6 × 2 + 2 − 4) × 2^2
48
3(5a + b - 9)
15a + 3b - 27
2/5 + e = 6/5
e = 4/5
Bradley’s new puppy, Rufus, weighed 8.6 pounds at his first visit to the veterinarian. At his second visit, Rufus weighed 14.2 pounds. Let p be the number of pounds Rufus gained between visits. Write and solve an equation to find p.
8.6 + p = 14.2 --> p = 5.6 pounds
16a + 8 + 12c − 7a + 3b − c
7a + 8 + 11c + 3b
(90/2) x 2 - 40 x (0.5)^2
80
Fully simplify:
9(12k - 10k - k)
9k
12.2j = 61
j = 5
Elijah set a goal to practice playing his ukulele for m minutes each week. Last week, he practiced his ukulele for twice as many minutes as his goal! This week, he was only able to practice his ukulele for 20 minutes.
Write an expression that shows how many minutes Elijah practiced playing his ukulele last week and this week combined.
2m + 20 = total minutes or t