lignin level 1
lignin level 2
100
2x=8
4
100
1x+4=2
-2
200
2x+3=9
3
200
6+3x=2
-1
300
1x+4=3x+2
1
300
4x+2=6
1
400
4x+6=2
-1
400
5x+3=3
0
500
3(x+4)=3
-3
500
3x=6
2
M
e
n
u