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