Equations and Expressions Study Guide

One Step Equations

100

x+1=3

x=2

200

y-3=4

y=7

300

7a= 42

a=6

400

a/5= 4

a=20

500

what are the inverses for each operation?

Add-> Sub

mult-> div

sub->add

div-> mult

Two Step Equations

100

2a - 2=4

a= 3

200

3y+3= 9

y = 2

300

2x- 4= 10

x=7

400

4/x+6=10

x=16

500

(x+2)/ 4= 3

x=10

Multi Step Equations

100

2x-3=11

x=7

200

3(x+3)= 12

x=1

300

3x−7=2x+5

x= 12

400

5x+2=3(x+4)

x= 5

500

4(x+3)/4=24

x= 21

Expressions

100

4(x+1)

4x+4

200

2(a+4) - 4a

-2a+8

300

3(b-4a)

3b-12a

400

2(g+3)- 3(g-2)

-g+12

500

2(s+7) - 2(-4s-2) - 3s

7s+18

Ms. B Lore

100

How many siblings does Ms. B have?

2

200

What is Ms. B's favorite color

green

300

What sport did Ms. B do in college?

Track and Field

shot put and discus

400

What are the names of Ms. B's cats?

Ringo and George

500

When is Ms. B's birthday?

***Hint: the date and the month share greatest common factor of 5

05/20/2001