Algebra Review (Part 1)

Solving for x

100

4x = 16

4

200

x² = 64

x= 8        x= -8

300

2(x+4) = 10

1

400

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

-22

500

x(x+2)=8

x= 2      x= -4

Collecting Like Terms

100

Simplify:

6x + 4 - 3x - 5

3x-1

200

Simplify:

5x + x² - 7x

x²-2x  or 2x - x²

300

How can you rewrite the following in exponential form?

7 x 7 x 7 x 7 x 7 

7⁵

400

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

11x -27

500

Simplify:

6x(-5x + 3) - 4x

-30x² +18x - 4x

-30x² +14x

Order of Operations

100

Simplify the following expression:

62

https://www.khanacademy.org/math/pre-algebra/pre-algebra-arith-prop/pre-algebra-order-of-operations/v/introduction-to-order-of-operations

200

Simplify the following expression:

5

https://www.khanacademy.org/math/pre-algebra/pre-algebra-arith-prop/pre-algebra-order-of-operations/v/introduction-to-order-of-operations

300

3 + 4² * (3 + 2)

83

400

45

500

30

Fractions

100

1/3 + 2/3

 1

200

1 2/3 - 4/5

13/15

300

What is the discount? Remember how to round and it is money?

Jeans $79.99 are 30% off

$24

400

1 2/3 divide by 2 1/2

2/3

500

2³ +1/4 x 4/5

8 1/5

Distributive Property

100

8(2x) = ?

16x

200

5(x-3)

5x-15

300

7+9(2x-3)

18x-20

400

-3(-x-10)

3x+30

500

-4y(2x + 28) 

-8xy+112y