$12m\ -\ 9\ =\ 4m\ +15$  

 $\frac{5}{2}x\ +3=\frac{1}{2}x\ +15$  

 $4x+12=4x+7$  

• One Solution

• None

• Infinitely Many

Tags

CCSS.8.EE.C.7A

 $7x-5-4x=3x-5$  

• One Solution

• None

• Infinitely Many

Tags

CCSS.8.EE.C.7A

 $2\left(r-4\right)=5\left(r-7\right)$  

Tags

CCSS.8.EE.C.7B

 $4x-16=-2\left(-2x+8\right)$  

• One Solution

• None

• Infinitely Many

Tags

CCSS.8.EE.C.7A

 $8r-3r=8r-3$  

• One

• None

• Infinitely Many

Tags

CCSS.8.EE.C.7A

 $-3x+4=8x-5x+7$  

• One

• None

• Infinitely Many

Tags

CCSS.8.EE.C.7A

 $9=14-5\left(2x+7\right)$  

Tags

CCSS.7.EE.B.4A

 $-2\left(3x+4\right)=2x+8$  

Tags

CCSS.8.EE.C.7B