4x + 9 = 33
x = 6
x + 3x = -8
x = -2
Mr. Stone bought 7 Taylor Swift t-shirts for a total of $90.93. Each t-shirt cost the same amount. How many Taylor Swift t-shirts did Mr. Stone buy?
n - # of t-shirts 7n = 90.93 n = 12.99 Each t-shirt cost $12.99
4(y - 2) + y = -13
y = -1
Eight less than twice a number is sixteen less than three teims the number. What is the number?
What is 2x - 8 = 3x -16? and x = 8?
-6(m + 1) + 18 = 24
m = -2
Mr. Stone 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
-13(4 + 2a) = 208
a = -10
7k - 8 + 2(k + 12) = 52
k = 4
When you count by ones fron many integer, you are counting consecutive integers. Using variables, three consecutive integers are n, n + 1, and n + 2. The sum of three consecutive integers is 48. What are the integers?
n + n + 1 + n + 2 = 48 n = 15 The integers are 15, 16, and 17.