Algebra Review

A:1 Step Equations

100

s-5=3

s=8

200

w/2=2

w=4

300

8=j+6

j=2

400

9=k+4

k=5

500

3f=15

f=5

A:2 Step Equations

100

2=2u-2

u=2

200

2n+6=8

n=1

300

3p-4=2

p=2

400

7=2f-3

5=f

500

4d-7=5

d=3

Terms/ Rules

100

What does PEMDAS stand for?

Parenthesis, Exponents, Multiply/Divide, Add/ Subtract

200

What is a letter is a math problem called?

Variable

300

If a letter is touching a letter (5x) what math step is being show?

Multiplication

400

Why are letters called variables?

There values change between problems.

(Ex. What X equals for problem 1 is not going to be the same of what X equals in problem 5)

500

How do you solve an algebra problem?

Get the letter by itself 

(Opposite math shown/ balance)

B:1 Step Equations

100

8+x=15

x=7

200

x-10=32

x=42

300

24+x=52

x=28

400

120+x=313

x=193

500

X-45=92

x=47

B:2 Step Equations

100

12x-2=46

x=4

200

9x+3=21

x=2

300

15x+19=79

x=4

400

17x-22=56

x=2

500

8-4x=-40

x=-12