Unit 1 review set
32 + 4c = -32
-16
-14 - 4e = -26
-3
18-2a = 26
-4
-20 - 8b = 20
-5
1/5a + 7 = -3
-50
5x + 18 = -27
-9
Ten times a number is 420.
10n = 420
Eleven decreased by a number is three.
11 - n = 3
15a + 9 = 39
2
Twice a number divided by 6 is 42.
2n/6 = 42
12 + 6c = 30
3
The product of three times a number and twelve is twenty.
3n * 12 = 20
If 3 times a number is decreased by 12, the result is 5.
3n - 12 =5
Nine less than 3 times a number, divided by four, is 21.
3n-9/4 = 21
2/3y - 9 = 19
42
3/4b - 15 = 18
44
Five is 6 less than twice a number.
5 = 2n - 6
Five times two less than a number equals seventeen.
5(n - 2) = 17
Four less than a number, multiplied by 6, is 25.
6(n - 4) = 25
The sum of 6 times a number and fifteen is 42.
6n + 15 = 42
If seven is subtracted from six times a number, the result is 10.
6n - 7 = 10
3y - 12 = 9
7
6d - 19 = 35
9
variable
A letter used to represent one or more numbers.
expression
A mathematical phrase that contains operations, numbers, and/or variables.
equation
A mathematical sentence that shows that two expressions are equivalent.
coefficient
A number multiplied by a variable in an algebraic expression.
term
A number, a variable, or the product of a number and a variable.
constant
A value that does not change.
5(x+1)
Five times the sum of a number and one
8+x≥22
eight more than a number is greater than or equal to twenty two
11-x=2
eleven minus a number is two
6x-4=8
four less than the product of six and a number is eight
4(x+7)
four times the sum of a number and seven
Ten more than a number is 62.
n + 10 = 62
The sum of a number and 7 is 35.
n + 7 = 35
One-half of a number equals sixteen.
n/2 = 16
Seven more than one-third of a number is 15.
n/3 + 7 = 15
7+x=10
seven more than a number is ten
7+½x
seven more than half a number
x-6<15
six less than a number is less than fifteen
x-2=8
the difference of a number and two is eight
x-2<16
the difference of a number and two is less than 16
10x=4
the product of ten and a number is four
x/3.5=8
the quotient of a number and 3.5 is 8
(x+1)×3
the sum of a number and one, times three
3³/x
three cubed divided by a number
¾x
three fourths of a number
6x-3=9
three less than the product of six and a a number is nine
10x+3
three more than the product of ten and a number
3(x-1)=24
three times the quantity one less than a number is twenty four
(x-2)/3
two less than a number, divided by three
10x+2
two more than the product of ten and a number
