One Step Equations
x + 9 = -7
x = -16
7m - 13 = 43
m = 8
-18 + x -4x + 5 = -64
x = 17
Grant went on an 8-week diet. If he lost at least 1.5 pounds each week, write an inequality that will give his total weight loss.
p/8 > -1.5
greater than or equal to
Six people went to dinner and split the check. Each paid $18. How much was the check?
x/6 = 18
$108
n/-2 = -17
n = 34
-15 - 4x = -11
x = -1
3(4g + 15) -7 = -10
g = -4
If a number is at most 5, write an inequality to represent the number.
x < 5
less than or equal to
Water boils at 212 degrees Fahrenheit. If a pot of water is 145 degrees, find the change in temperature needed for the water to boil.
145 + x = 212
67 degrees
6.5 + r = 1.48
r = -5.02
-22 = -5a - 7
a = 3
-4k - 17 = k + 23
k = -8
Solve and graph this inequality.
-18 < -9w
2 > w
w is less than 2
Derek and Spencer are playing a video game. Derek has eight less than triple the points Spencer has. If Derek has 79 points, how many points does Spencer have?
3x - 8 = 79
29 points
w - 2 2/9 = 1 1/6
w = 3 7/18
v + 8
_____ = 6
-3
v = -26
6y + 11 = 8y - 15
y = 13
the product of -4 and a number is greater than or equal to 8
-4x > 8
x < -2
less than or equal to
Andrea is reading The Great Gatsby in English class. So far, she has read 30 pages. If she reads 18 pages a day and there are 192 pages in the book, how many days will it take her to finish the book?
30 + 18x = 192
9 days
-35 = -7/8a
a = 40
3/4c + 7 = -5
c = -16
1/2(10 - 2p) = 3(2p - 3)
p = 2
the difference between twice a number and 17 is no more than 13
2x - 17 < 13
x < 15
less than or equal to
Admission to a carnival costs $4, then each game costs $0.50. If Katherine can spend no more than $10, how many games can she play?
4 + 0.5x <10
less than or equal to
12 games