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addition equations
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inequalities
100
x+15-15=30-15
x=15
100
y-9+9=3+9
y=12
100
2f=6.16
f=3.08
100
c/2=1.54
c=3.08
100
x+2-2>12-2
x>10
200
-3+2x=11
x=7
200
n-11=14
n=25
200
2b=5.2
b=2.6
200
h/2=1
2
200
x+3<7
x<4
300
4x+6=-10
x=-4
300
-x-1=221+2x
x=-74
300
-9x=-63
x=7
300
r/4=3
r=12
300
12<x+5
7<x
400
x+9=18-2x
x=3
400
17x-12=114+3x
x=9
400
4j=14.4
j=3.6
400
k/2=16
k=32
400
3y<15
y<5
500
2x+6=4x-2
x=4
500
-10x-19=19-8x
x=-19
500
90=-18w
-5=w
500
h/-13=6
h=-78
500
-2y<-8
y>4