real number system
fractions
PEMDAS
negative
combining like terms
100

3x - 20 = -60 

what is x = -40\3

100

3\2 + 4\5

what is 23\10

100

2(x - 3) - 1 = 15

what is 22\2

100

7x - 5y = 20

what is 5\7y + 20\7

100

6a + 3a 

what is 9a

200

-12 + 5x - 4 = -32

what is x = -16\5

200

3\4 x 1 2\3

what is 1\2

200

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

what is 15

200

10x - 2 + -4 - 7 

what is 10x - 13

200

-4a + 2 - a = 3 - 2

what is a = 1\5

300

-5x + 3 = -17

what is x = 4

300

3 2\3 + 1 1\10

what is 21\10

300

1+2 x 3 = 1 + 2 x 3

what is 7

300

4x + 3 = -5

what is x = -2

300

7x -2 - 5x + 8 = 30

what is x = 12

400

8x - 3 = 2x + 9

what is x = 2
400

15 (3x\5 - x\3) = 15 (2\15)

what is x = 1\2

400

6 - (5 - 3) + 10

what is 14

400

-8x - 3y = 12

what is -3\8y + -3\2

400

3x + 2x(x+2)- 6x2

what is 7x - 4x2

500

1\5x - 8 = 1.3 

what is x = 46.5

500

2\3 + 1\4

what is 11\12

500

127 - 2 (3 + 4)2

what is 29

500

12x -4y = 12

what is x = 1\3y + 1

500

-5n + 3(6 + 7n)

what is 16n + 18