Writing Algebraic Expressions
four less than an number
What is y - 4?
Write the equation for the situation: You buy three t-shirts. You spend a total of $21.75. How much was each t-shirt
3t = 21.75
10x + 36 − 8x − 4
What is 2x + 32?
Write the equation for the situation: A jacket costs $45.80. You pay a total of $49.01. How much tax did you pay for the jacket?
45.80 + t = 49.01
-4 + 38n + 7 - 3
What is 38n?
Solve: 4x - 2 = 18
What is 5?
Write an equation for the following: Four students are running a marathon as a relay race, meaning they are each running parts of the race. The marathon is 26.2 miles. One student runs 10 of the miles himself. The other three each run the same amount. How many miles did the three runners each run?
3x + 10 = 26.2
one less than five times n
What is 5n - 1?
Solve for x. -2x - 16 = 24
What is -20?
-2g + 8 = 44 Solve for g.
What is -18?
Write an equation for the following situation: Ann took a taxi home from the airport. The taxi fare was $2.10 per mile. She gave the driver a $10 tip. She paid a total of $49.10. How many miles did she need to travel?
2.10m + 5.00 = 49.10
w less than 10
What is 10 - w?
-5n + 7n - 5 - 5
What is -10 + 2n?
Solve for d. d/3 - 7 = 21
What is 84?
Solve for x. -3x + 12 = 45
What is -11?
Write the equation for the following: 331 students went on a field trip. Six buses were filled and 7 students traveled in cars. How many students were in each bus?
6x + 7 = 331