one step equations
n+2=9
n=7
2x+15=−3x
-3
20=4−3c
-16/3
Solve for b.
b + 3 = c
b = c-3
Mr. Ahlin bought 7 t-shirts for a total of $90.93. Each t-shirt cost the same amount. What was the price of each t-shirt?
n - # of t-shirts
7n = 90.93
n = 12.99
Each t-shirt cost $12.99
x−23=8
x=31
2g−4=6
g=5
−4(−3n−8)=10n+20
-6
Solve for a.
Simplify. 3c + a + 4b = x
a = x - 3c - 4b
Jack bought hamburgers and one hot dog. The hot dog cost $1. The hamburgers were $5. If Jack spent $36, how many hamburgers did he buy?
h - number of hamburgers
5h + 1 = 36
h = 7
Jack bought 7 hamburgers.
9k=-27
k=-3
3y – 2 = 13
5
2(4−y)−3(y+3)=−11
2
Solve for b.
2b - 7x + d = 3m
(3m + 7x - d) / 2
Tyler has 4 boxes of apples. Each box has the same number of apples. After Tyler eats 3 apples, there are 109 apples left in the boxes. How many apples were in each box?
a - # of apples in each box
4a - 3 = 109
a = 28
There were 28 apples in each box.
x/7=2
14
2z +15 = −3z
z = -3
−(−8−3x)=−2(1−x)+6x
2
Solve for x.
abx - mn + 4c = 2p
(2p - 4c + mn) / ab
Mr. Rodriguez goes to the grocery store and purchases 17 bags of raisins and a $2.97 jar of peanut butter. His total cost was $34.76. What was the cost for a bag of raisins?
r - cost of a bag of raisins
17r + 2.97 = 34.76
r = 1.87
Each bag of raisins cost $1.87