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Addition
Subtraction
Multiplication
Division
Decimals
100

x + 4 = 25

What is 21

100

x - 2 = 6

What is 8

100

9x = -27

What is -3

100

y/6 = 2

What is 12

100

m + 3.7 = 2.4

What is -1.3

200

a + 13 = 10

What is -3

200

d - 7 = -5

What is 2

200

-7x = -63

What is 9

200

x/4 = -10

What is -40

200

x  +  66.09 = 102.80

What is 36.71

300

n -  8 = -14

What is -6

300

k - 30 = 15

What is 45

300

-40  =  8e

What is -5

300

-6  =  x/-6

What is -36

300

5.6 = x  +  .8

What is 4.8

400

x + 36 = -100

What is -136

400

x - 327 = -665

What is -338

400

-80  =  -10x  

What is -25

400

-28 = a/-2

What is 56

400

c  -  1.2 = 5.5

What is 6.7

500

-20 = c + 20

What is -40

500

-92  =  a  -  20

What is -72

500

-5e = -400

What is 80

500

-8 = x/-15

What is -120

500

2.56  =  y  +  1.5

What is 1.06