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 = -9
What is -2
200
-7x = -63
What is 9
200
x/4 = -14
What is -56
200

x + 66.9 = 102.8

What is 35.9

300

n -8 = -14

What is -6

300

k +83 =121

What is 38

300
-5e = -400
What is 80
300
x/6 = -6
What is -36
300

-5.6 = 0.8x

What is -7

400

x - 36 = 100

What is 136

400

x - 327 = 665

What is 338

400
-11x = 275
What is -25
400
-28 = a/-13
What is 364
400

c/0.2 = 5.5

What is 1.1

500

-27 = c + 27

What is -54

500
a - (-163) = -392
What is -555
500
-21y = -756
What is 36
500
-80 = x/15
What is -1200
500

12 = y/12

What is 144

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