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Equations
Order of Operations
Integers
Combining Like Terms
Fractions and Decimals
100

x + 7 = 18

x = 11

100

(4 + 16) x 2 

40

100

247 + 329

576

100

p + 7p

8p

100

1/6 + 1/3 

1/2

200

-12 = r - 3

r = -9

200

42 + 2 + 3

21

200

(-2) - (-6) 

4

200

2 + 7s +5

7s +7

200

5.3 + 3.4

8.7

300

6 = a/10

a = 60

300

(-5) - 3 -9 + 10

-7

300

2 - (-5)

7

300

-2(7x+9)

-14x -18

300

7/8 x 1/2

7/8

400

2 + n/5 = -2

n = -20

400

3 x (-2) - (1 - 10) 

3

400

-9 x -5

45

400

7(-9 -5) 

-35p -63

400

1.23 x 4.5

5.535

500

62 = 5 + 3v

v = 19

500

(-4) + 2 x 2 + 2

2

500

-6 x 8

-48

500

-6(5+4c) +2c

-22c -30
500

6.7 divided by 0.5

13.4