Show:
Addition
Subtraction
Multiplication
Division
100
x + 4 = 25
What is 21
100

x - 2 = 6

x = 8

100

9x = -27

What is -3

100

y / 7 = 15

what is 105

200
a + 13 = 10
What is -3
200

d - 7 = -9

What is -2

200

-7x = -63

What is 9

200

x/4 = -14

What is -56

300

n + 8 = -14

What is -22

300

k - 83 =121

What is 204

300

-5e = -400

What is 80

300

x/6 = -6

What is -36

400

x + 36 = -100

What is -136

400

x - 327 = -34

What is 293

400

11x = 275

What is 25

400

-28 = a/-13

What is 364

500

27 = c - 27

What is 54

500

a - 163 = 392

What is 555

500

21y = -756

What is 36

500

h / 20 = 1

What is 20