Show:
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 - (-6.4) = -7.7

What is -14.1

300
n + (-8) = -14
What is -6
300

Create an equation:

Mary has five fewer followers than Steve. Steve has 133 followers.

What is: S - 5 = 133

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

Create an equation and solve:

You have $204 to spend on donuts. Each donut is $1.70.

What is: 1.7d = 204

What is: 120 donuts

400
-28 = a/-13
What is 364
400

c/-0.29 = 0.5

What is -0.145

500

Create an equation: 

Mary has $45 dollars. She is given an amount which results in her having three times as much in which she started. 

What is 45 + n = 135

500
a - (-163) = -392
What is -555
500
-21y = -756
What is 36
500
-80 = x/15
What is -1200
500
0.12 = y/0.12
What is 0.0144