Algebra 1 Review

Solve Equations

100

x – 5 = 20

x = 25

https://www.khanacademy.org/math/pre-algebra/pre-algebra-exponents-radicals/pre-algebra-exponents/v/introduction-to-exponents

200

3y = -21

y = -7

300

x/8 = 5

x = 40

https://www.khanacademy.org/math/pre-algebra/pre-algebra-exponents-radicals/pre-algebra-exponents/v/introduction-to-exponents

400

7/2 = y/20

y = 70

https://www.khanacademy.org/math/pre-algebra/pre-algebra-exponents-radicals/pre-algebra-exponents/v/introduction-to-exponents

500

2(x+3) = 20

x = 7

Order of Operations

100

Simplify the following expression: 66 ÷ 3 + 10 · 4

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:  3 · 3 ÷ 9 + 4

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

25 ÷ 5 · (11 - 7) + 5²

45

500

3³ + (5² - 4²) ÷ 3

30

Distributive Property

100

Fill in the blank.              (3+8)(4+2) = ______ 

66

200

5(x - 3)

5x - 15

300

7 + 9(2x - 3)

18x - 20

400

-3(-x - 10)

3x + 30

500

-x + 10 + 6(x + 3x)

23x + 10

More Equations

100

3x+1=-8

x=-3

200

-10+2x=x

x=10

300

6+(k/4)=14

32

400

-5(x+6)-10=10

x=-10

500

4(x-2)=2(x+8)

x=12

Combine like terms

100

5x+7x

12x

200

3x+6+7x+3

10x+9

300

8 + 4x + 1 - 12 + 5x

9x-3

400

-11j + 16 - 22j - 27 + 5j

-28j-11

500

9y + 3 - 4x - 2y - 3x - 5

7y-7x-2