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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 - (-66.09) = 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

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÷-0.29 = 5.5

What is -1.595

500
-27 = c + 27
What is -56
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