basic algebra stuff

Addition and Subtraction

200

2+2

4

400

115 - 26

89

600

2359 - 354 + 214

2219

800

T or F 

(543.534578 + 6704352.575) + 523456 - 83247 = (523456 - 83247) + 543.534578 + 6704352.575

T

1000

9,234,662 - 752,425,829 + 33

-743,191,134

Multiplication and Division

200

5x5

25

400

623x3

1869

600

14/\3

2744

800

345x285/5

19665

1000

50 / 50/\4 x 683 - (2x7)

-13.994536

Variables

200

x + 1 = 2

x = 1

400

2x + 3 = 3x = 1

x = 2

600

5x - 24 = 66

x = 18

800

5xy + y =  25150y

find x

x = 5030

1000

x(63 - 44)/\2 = (55x/11) + 5696

x = 16

Graphs

200

y=x

find the slope

slope = 1

400

y=27346534x + 3

find the intercept

intercept = 3

600

-y = 68x - 7

find the slope and intercept

slope = -68

intercept = 7

800

4y = 1/4x + 8

find the slope and intercept

slope = 1/16

intercept = 2

1000

642x - 2y = 50

rewrite in slope intercept form

y = 321x + 50

Fractions and Percentages

200

1/2 in percentage form

50%

400

40% in fraction form

2/5

600

35% of 250

87.5

800

752/1504 of 105.5

52.75

1000

1000/352 x 5 in percentage

1420.45454545%