Show:
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 + 13 = 10
What is -3
200
d - 7 = -9
What is -2
200

-7x = -63

What is 9

200
x - (-66.09) = 102.8
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 = 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
500

-27 = c + 27

What is -56

500

a - (-163) = -392

What is -555

500
-21y = -756
What is 36