Addition
Subtraction
Multiplication
Division
Algebra
100

5 + (-5)

 0

100

10 - (-5)

15
100

4 x (-2)

-8

100

20/-5

-4

100

Is x+y is an algebraic expression?

Yes

200

-30 + 20

-10

200

-40 - 21

-61

200

-10 x 10

-100

200

-100/10

-10

200

Solve the inequality 2x - 8 < 42

x < 25

300

45 + (-75)

-30

300

85 - (-25)

110
300

34 x (-28)

-952

300

250/-20

-12.5

300

Identify the mistake and find the correct simlified answer, 1/10x + 1/2x = 1/(12x)

3/5x

400

-31 + 67

36

400

-93 - 28

-121

400

-52 x 37

-1924

400

-420/(-69)

6.08695652

400

Simplify 20x - 6 - 13x + 19

7x + 13

500

539 + (-673)

-134

500

348 - (-789)

-441

500

104 x (-232)

-24128

500

(-666)/21

-31.7142857

500

Divide (103+62+8x)รท2x

52 + 3x + 4

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