Solving Linear Systems

Solve using substitution.
 $-7x-6y=-7$ 

  $-2x+y=17$  

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

 $-2x-3y=10$  

 $x+5y=-5$  

Solve using substitution.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve by graphing.

 $y=2x-4$  
 $y=-\frac{2}{3}x+4$  

Tags

CCSS.8.EE.C.8B

Solve by graphing.

 $y=x-1$  
 $-2x-y=4$  

Tags

CCSS.8.EE.C.8B

Solve using elimination.

 $5x-6y+5z=9$  

 $-3x+6y-6z=3$  

 $2x-3y-6z=19$  

Solve using elimination.

 $-6x+2y-2z=20$  

 $-4x-2y-4z=-22$  
 $2x+6y+6z=-26$  

Tags

CCSS.8.EE.C.8B

Solve using a matrix. 

 $-4x+4y=-16$  

 $-9x+12y=-21$  

Tags

CCSS.HSA.REI.C.9

Solve using a matrix.

 $-14x+7y=28$  
 $7x-2y=1$  

Tags

CCSS.HSA.REI.C.9

Solve using a matrix.

 $-4x-4y=-24$  
 $10x+3y=11$  

Tags

CCSS.HSA.REI.C.9

Solve using a matrix. 

 $32x+24y=-4$  
 $-72x-54y=18$  

Tags

CCSS.HSA.REI.C.9