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Elementary
100
x+6=9
X=3
100
3b+4=19
b=5
100
2x+5= 3x
x=5
100
7(x-2)=6x
x=14
100

10 - ___ = 4

____ = 6

200
m-2= -19
m= -17
200
-5y+7= -23
y=6
200
5x+2= 3x-8
x=-5
200
-(a-12)+4a= 9a
a=2
200

2 * ____ + 6 = 18

____ = 6

300
-2x=32
x= -16
300

x/4 - 3 = 2

x = 20

300
12x+8= 3x+62
x=6
300
3(x+1)=x+5
x=1
300

4 ____ + 12 = 6 ____ - 6

____ = 9

400
h/4=-3
h= -12
400
4(x-6)= -16
X=2
400
16-4x=7x+5
x=1
400

2 (- x - 5) = - (5x - 25)

x = 10

400

2 ____ + 3 = 42 - ____

____ = 13

500
2/3 x= -20
x=-30
500
4/5 m +2= -6
m=-10
500

3x + 2x - 4 + 4 = -4 + 6 * 4 + 2x - x - x

x=4

500

4(2a+3)= -3(a-1)+31

a=2

500

4 * _____ - 20 = 2 * ____ + 20

_____ = 20