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Distributive Property

100

2(x+5)=

2x+10

200

6(3x-4)=

18x-24

300

1/2(22+16x)=

11+8x

400

-4(7x + 3)=

-28x-12

500

-1/3(-3x-24)=

x+8

Combining Like Terms

100

7+3=

10

200

15a + 27a=

42a

300

9x -4 + 2x =

11x - 4

400

(3x - 5x) + 12=

-2x + 12

500

7(12x - 7) - 14 - 24x =

60x - 63

2-Step

100

7x + 21 = 27

x = 6/7

200

-5x + 72 = 87

x = -3

300

9 - x = 17

x = -8

400

-42 + 13x = 10

x= 4

500

64x - 40 = 80

(simplify)

x= 15/8

Fractions

100

1/4y = 8

y = 32

200

1/2a - 3 = 5

a= 16

300

4/3y + 12 = 96

y=63

400

5/6b - 35 = -25

b= 12

500

-3/2(2/3x + 4/2) = 18

x= -21

Challenge

100

3² + 7x - 10 + 4(3x - 1) = 14

x = 1

200

(6² + 4² - 9²)x(2) + (9 + 10) = x

-39 = x

300

1/7(21x + 42) + 3x - 4 = 0

x = 1/3

400

(3/4x + 1/4x)x(12) +             (27 - 12) = 87

x=6

500

True or False? 

3² + 4² = 5²

True