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DReidAlgebra
CRCT review algebra
23
Mathematics
7th Grade
03/28/2012

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Cards

Term
Write an algebraic expression that shows “thirty less than 3 times a number
Definition
3x - 30
Term
Which expression represents "the product of a number and 12"?
Definition
12x
Term
Alan is paid $5.90 per hour at his part-time job. He also gets $2 for carfare each day. One day, he earned a total of $19.70. Write an equation that can be used to find n, the number of hours he worked that day.
Definition
5.90n + 2 = 19.70
Term
Solve the equation 8b - 7 = 65.
Definition
b = 9
Term
What is the value of the expression 6x - 5 + 3y when x = 4 and y = -2?
Definition
13
Term
What is the sum of x - 14 and 3x + 10?
Definition
4x - 4
Term
Evaluate the expression.
(10h - 6 - 4j) - (3h - 5 + j)
Definition
7h - 1 - 5j
Term
Write an expression that represents "fifteen less than a number".
Definition
n - 15
Term
Darren earns $8 per hour at his job. His daily round-trip carfare is $3. On a certain day he made a profit of $61. Write an equation that you can use to find n, the number of hours he worked that day.
Definition
8n + 3 = 61
Term
Solve the equation -3c = 36.
Definition
c = -12
Term
What is the value of the expression 30 - 4x - 2y when x = -3 and y = 6?
Definition
30
Term
What is the sum of -2y + 9 and 3y - 6?
Definition
y + 3
Term
Evaluate the expression below.
(7a - 3b + 2) - (4a + 4b - 6)
Definition
3a - 7b + 8
Term
Write an expression that represent "the quotient of a number and 3".
Definition
n/3
Term
Ping has $25 saved for his vacation. He can save $8 per week. He needs to save $65 in all. Write an equation that you can use in order to find n, the number of weeks he will have to save.
Definition
25 + 8n = 65
Term
Solve the equation d/5 + 6 = 31.
Definition
d = 125
Term
What is the value of the expression
-5x + 4y + 6 when x = 3 and y = 5.
Definition
11
Term
Josh is j years old. Her mother’s age is two years more than three times Josh’s age. Write an expression that represents the age of Josh’s mother?
Definition
3x + 2
Term
An electrician charges $40 to make a house call plus $50 for each hour worked. One house call lasted h hours. Write an expression that represents the amount the electrician charged?
Definition
40 + 50h
Term
Simplify. 8(12 – 2n)
Definition
96 - 16n
Term
Simplify. 3(2 + x) - 4x
Definition
6 - x
Term
Simplify the expression.
4x + 3r2 + 9 – x – 2r2 – 6
Definition
3x + r2 + 3
Term
Find the perimeter of a rectangle when the length = x - 2 and width = 2x + 3.
Definition
6x + 2
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