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Addition
Subtraction
Multiplication
Division
Decimals
100

x + 4 = 25

The answer is 21

100

x - 2 = 6

The answer is 8

100

9x = -27

The answer is -3.

100

y/-6 = 2

The answer is -12.

100

m + 3.7 = 2.4

The answer is -1.3

200

a + 13 = 10

The answer is -3.

200

d - 7 = -9

The answer is -2.

200

-7x = -63

The answer is 9.

200

x/4 = -14

The answer is -56.

200

x - (-66.09) = 102.8

The answer is 36.71.

300

n + (-8) = -14

The answer is -6.

300

k - (-83) =121

The answer is 38.

300

-5e = -400

The answee is 80.

300

x/6 = -6

The answer is -36.

300

-5.6 = 0.8x

The answer is -7.

400

x + 36 = -100

The answer is -136.

400

x - 327 = -665

The answer is -338.

400

-11x = 275

The answer is -25.

400

-28 = a/-13

The answer is 364.

400

c/-0.29 = 5.5

The answer is -1.595.

500

-27 = c + 27

The answer is -54.

500

a - (-163) = -392

The answer is -555.

500

-21y = -756

The answer is 36.

500

-80 = x/15

The answer is -1200.

500

0.12 = y/0.12

The answer is 0.0144.