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100
y+4=9
y=5
100
x-12=24
x=36
100
k2=24
k=12
100
3x=27
x=9
100
54+x=67
x=13
200
y+12=26
y=14
200
f-7=78
85
200
x/4= 28
x=7
200
2w=78
w=39
200
90-x=67
x=23
300
12+x=29
x=17
300
23-w=12
w=11
300
x/7=8
x=56
300
3m=39
m=13
300
7x=98
x=14
400
h+-2=5
8
400
m-35=78
m=113
400
5g=75
g=15
400
46x=92
x=2
400
9x=108
x=12
500
76+q=230
154
500
65-y=23
42
500
13/r=78
r=6
500
87x=261
x=3
500
876-k=78
k=798