Solving Equations + or -
x + 4 = 21
x = 17
5x = 60
x = 12
Jack has m marbles. Harry has 4 more marbles than Jack. Harry has h marbles. Write an equation expressing h in terms of m.
h = m + 4
Write the equation that tells this story:
Ella is thinking of the number n. When she add 19 from the number, the result is 72.
n + 19 = 72
Open or closed dot? Shade left or right?
x > 9
Open dot, shade right
y - 12 = 30
y = 42
k / 4 = 7
k = 28
Jenny earns w dollars each year. Kaitlyn earns 3 times as much as Jenny. Kaitlyn earns k dollars each year. Write an equation expressing k in terms of w.
k = 3w
Write the equation that tells this story:
Mrs. Plankogabbi is 7 times as old as her son. Her son is w years old. Mrs. Plankogabbi is 35 years old.
7w = 35
Open or closed dot? Shade left or right?
x ≥ 13
Closed dot, shade right
98 = 59 + w
w = 39
20.7 = 2.3m
m = 9
A square has sides that are each g centimeters. The perimeter of the square is P centimeters. Write an equation expressing P in terms of g.
P = 4g
Write the equation that tells this story:
On her first try, Sarah scored a 215 on the NWEA. On the second try, she improved her score by p points. She scored 226 on her second try.
215 + p = 226
Open or closed dot? Shade left or right?
-32 < w
Open dot, shade right
34.3 = q - 2.8
q = 37.1
82 = 4h
h = 20.5
or h = 41/2
Mr. Sustar has a total of p hours to play. He splits his play time equally among his 5 children. He plays with each child for h hours. Write an equation expressing h in terms of p.
h = p/5
Write the equation that tells this story:
Cade baked c cookies. He shared them equally among 9 friends. Each friend received 12 cookies.
c/9 = 12
Open or closed dot? Shade left or right?
x ≤ -8.1
Closed dot, shade left
n - 1.5 = 9.8
n = 11.3
2/3 d = 56
d = 84
In Kluppmuck, your score is determined in the following manner: you collect r trackets, you multiply your trackets by 3 and then you are awarded 7 points. You scored p total points. Write an equation expressing p in terms of r.
p = 3r + 7
Write the equation that tells this story:
When Mr. Sustar died, he had d dollars saved in the bank. His will stipulated that his goldfish should receive 2/7 of his money. His goldfish received $32.
2/7 d = 32
Open or closed dot? Shade left or right?
62 ≤ m
Closed dot, shade right