One-Step Equations
v - 9 = 25
v = 34
2c + 16 = 30
c = 7
3a - 10 = 17
a = 9
Melanie has s stickers in her collection. Rachael has 3 times more stickers than Melanie. Rachael has a total of 63 stickers. Write an equation that can be used to find the amount of stickers in Melanie's collection.
3s = 63
x/-6 = -7
x = 42
-13 = q - 7
q = -6
t/5 - 13 = -3
t = 50
7 + w/5 = 2
w = -25
Tiffany got paid d dollars for working on Saturday. She spent $20 of that money on dinner and had $34 left. Write an equation that can be used to find the amount of money that Tiffany got paid on Saturday.
d - 20 = 34
-9f = 108
f = -12
-9g = -72
g = 8
56 = 8 - 6y
y = -8
70 - 4w = 50
w = 5
Sally pays a membership fee of $45 to join a gym. She then pays $18 each month. She has been a member of the gym for m month and has paid a total of $171. Write an equation that can be used to find the amount of months that Sally has been a member of the gym.
45 + 18m = 171
Or
18m + 45 = 171
g - 17 = -36
g = -19
r + 15 = -10
r = -25
1/3g + 10 = 20
g = 30
h = -15
Jackie earned a total of $184 last weekend. She made $40 from planting flowers for her neighbors. She also earned $12 for each lawn that she mowed. Write an equation that can be used to determine the amount of lawns, x, that she mowed last weekend.
40 + 12x = 184
Or
12x + 40 = 184
-20 - 6n = -50
n = 5
m/-4 = 4
m = -16
16 - r = -12
r = 28
-22 - t = 7
t = -29
There are 50 pounds decorations in a truck. 12 pounds of the decorations are streamers. The rest of the decorations are balloons, which are in boxes. Each box of balloons has 2 pounds of balloons. Let b represent the number of boxes of balloons in the truck. Write an equation that can be used to determine how many boxes of balloons are in the truck.
12 + 2b = 50
Or
2b + 12 = 50
1/8k - 14 = -25
k = -88