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Verbal Expressions

100

2 combined with 3

5

200

15 combined with 4 

19

300

13 difference of 5

8

400

the quotient of 15 and 5 

3

500

the product of 7 and 8 

56

Properties

100

a=b then b=a 

symmetric property of equality

200

a=b b=c then a=c

transitive property of equality

300

a=b then a+c = b+c

property of equality for addition

400

(a+b) + c = a+ (b+c)

associative property of addition

500

a x 0=a

multiplication property of zero

1-step equations

100

8 + v = 26

v=18

200

3+p=8

p=5

300

n+16=9

n=7

400

p-6= -5 

p =1 

500

10n=40 

n=4

2-step equations

100

8=6-2x

-1=x

200

4=6x-8

x=2

300

2x+6=12

x=3

400

2x+5=21

x=8

500

3x+5=-16

x=-7 

multi-step equations

100

5+14a = 9a-5

a=-2

200

-3x-32= -2(5-4x)

x=-2

300

-3x-4(4x-8)=3(-8x-1)

x=-7

400

7x+3=2x+13

x=2

500

13x-9x+20=30+2

x=3