100
-6+x/4=-5
What is x=4
100
4+x/5=0
What is x=-20
200
x+4=-12
What is x=-16
200
-16+x=-15
What is x=1
200
-15=-4x+5
What is x=5
300
-143=-11x
What is x=13
300
-104=8x
What is x=-13
300
x/9-2=-2
What is x=-9
400
-15-x=23
What is x=-38
400
-4=x/20-5
What is x=20
400
8+x/-4=5
What is x=12
500
-6=x/18
What is x=-108
500
-204=-17x
What is x=12
500
16=x/11
What is x=176
500
-6=x/2-10
What is x=8
500
-243=-9(10+x)
What is x=17