One step equation
Multi-step equation & Variable on both sides
Absolute value and literal equations
100

x - 7

x=19

100

3x+5=20

x=5

100

lxl=7

case 1: 7 and case 2: -7

200

y+9=4

y=-5

200

2(n-4) =10

n=9 

200

lx-3l=5

case 1: 2 case 2: -8

300

5m=35

m=7

300

5x-3=2x+9

x=4

300

RT= D solve for R

R= D/T

400

p/3 - 6

p=-18

400

5x-8= 3x+12

x=10

400

I =PRT solve for R

R=I/PT

500

-8k = -56

k=7

500

3(x+2) =3x+6

infinitely many solutions 

500

l2x-4l+3=11

case 1: x=6 case 2: x=-2

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