Addition
Subtraction
Multiplication
Decimals
100
x + 4 = 25
What is 21
100
x - 2 = 6
What is 8
100

9x = 27

What is 3

100
m + 3.7 = 2.4
What is -1.3
200

a + 10 = 13

What is 3

200

d - 7 = 9

What is 2

200

7x = 63

What is 9

200

x - 66.09 = 102.80

What is 36.71

300

n + 8 = 14

What is 6

300

k - 83 =121

What is 38

300

5e = 400

What is 80

300

5.6 = 5.6x

What is 1

400

x + 36 = 100

What is 136

400

x - 327 = 665

What is 992

400

11x = 275

What is 25

500

27 = c + 27

What is 0

500

a - 163 = 392

What is 555

500

21y = 756

What is 36