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100
x+6=9
X=3
100
3b+4=19
b=5
100
2x+5= 3x
x=5
100

7(x-2) - 4x=64

x=26

100

Factor using a GCF:  30xy - 12x

6x(5y-2)

200
m-2= -19
m= -17
200
-5y+7= -23
y=6
200
5x+2= 3x-8
x=-5
200

-(a-12)+4a= 9

a=-1

200

3/5x + 7 - x + 3.2

-2/5x+10.2

300
-2x=32
x= -16
300

5x - 7x - 10 = -14

x=2

300
12x+8= 3x+62
x=6
300

3(x+1)=5

x=2/3

300

5/6(12x + 18)

10x+15

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

-10 < 4x - 6 + 4

x>-2

400

4(x-6) -2(3x+3)

-2x - 30

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

6(n+1)=8n-3(n-7)

n=15

500
4(2a+3)= -3(a-1)+31
a=2
500

Evaluate:   -3x - (-4xy - 2) when x=-2 and y =1/2

4