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Pre-Algebra
Pre Algebra
integers
integers
anything
100
3x=21
7
100
x-5 = 8
13
100
2-8
-6
100
2+(-3)
-1
100
-1 + 3x=14
x=5
200
x/5 = 6
30
200
-3 + x =10
13
200
-2+5
3
200
4-(-8)
12
200
x/4 + 6=8
x=8
300
4x=24
6
300
x+5=20
15
300
-4-5
-9
300
-6+(-7)
-13
300
5x+7=17
x=2
400
x/8 = 4
32
400
x-8=15
23
400
-3-8
-11
400
4+(-7)
-3
400
-4 + x/6 = 0
x=24
500
x/9 = 7
63
500
x+2=12
10
500
10-12
-2
500
-2+(-9)
-11
500
3x-8=1
x=3