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add/sub 1 step
one step multiplying
one step dividing
two step +/*
two step -/*
100
y+3= 7
y=4
100
5f= 25
What is f=5
100
5/8y= 20
What is y=32
100
3f+20=50
What is f=10
100
-6i+20=-16
What is i=3
200
h-20= 35
What is h=55
200
-2.3u=18.4
What is u=-8
200
1/2u =-10
What is u=-5
200
2/3l-(4)=8
What is l=-1
200
3p-6= 6
What is p=2
300
p+(-11) =13
What is p=24
300
0.9d= 8.1
What is d=9
300
-2/5c=-20
What is c=-50
300
4c+5= 25
What is c=5
300
4e-3=1
What is e=0.5
400
q-(-3) =2
What is q=-1
400
8.6i=137.6
What is i=16
400
1/3y= 4
What is y=12
400
-6k+20=-16
What is k=1.5
400
6p-10=10
What is p=0
500
S+9.2=15.6
What is S=6.4
500
-35.5x=248.5
What is x=-7
500
-3/5d = 24
What is d=1
500
-1/2p+2= 6
What is p=10
500
2w-(-10)= 18
What is w=4