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100

97x + 7 = 7 

x = 0

100

2x + 7 = 21 

x = 7

100

3x + 9 = 36

x = 9

100

1x + 9 = 9

x = 0

100

2x + 10 = 30

x = 10

200

6 x 9 + 2

56

200

10000000000000/10000000000000

200

1 to the power of 2 

1

200

10 to the power of 10 is

10000000000

200

8/4 x 1000

2000

300

-42 to the power of 2 

1764

300

690 to the power of 3 

328,509,000

300

45 to the power of 2

2025

300

50 to the power of 2 

2500

300

1 to the power of 1 trillon

1