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solve for x
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solve for c
100

35.5x+204.54=108 

x= -2.7

100

485/2993

0.16

100

3934 x pie or 3.14

12352.7

100

209c +349=100

c=1.1

200

50x+5=10 

x=-0.1

200

4546/6879

0.66

200

2992922 x 3.14

9397775

200

343c + 276=486

c=-210

300

30x+69=45

x= -0.8 

300

155/1297

0.11

300

299 x 3.14

938.8

300

547c +877=899

c=-0.04

400

8x+9=3

x=0.75

400

17774/93378

0.19

400

344 x 3.14 

1080.1

400

980c+299=199

c=0.10

500

6x+10=12

x=-3

500

111111/181818

0.61

500

3998 x 3.14 

12553.7