Review and Graphical systems 6.4

Solve:

 $3c+5=23$  

•  $c=3$  
  

•  $c=6$  
  

•  $c=7$  
  

•  $c=18$  
  

Tags

CCSS.7.EE.B.4A

What is the first step to solve this equation:

 $11-3x=44$  

• Add 3 to both sides

• Subtract 11 from both sides

• Add 11 to both sides

• Divide 3 on both sides.

Tags

CCSS.7.EE.B.4A

Solve the equation: 

 $8\left(3a+6\right)=9\left(2a-4\right)$  

• no solution or null set

• -14

• 14

• -17

  6

What is the solution to the equation?

 $8\left(c-9\right)=8c-72$  

• identity or all real numbers (infinity)

• no solution

• 2

• 3

Solve the equation. 

 $-12\left(k+4\right)=60$  

• -4

• 4

• -9

• 9

Solve the equation. 

 $-49-x=-8x+70$  

• 15

• 17

• 14

• 19

If $b=10$ , find  $\frac{40}{b}$  .

• 10

• 2

• 30

• 4

Tags

CCSS.6.EE.A.2C

If $j=4$ , find  $2j+3$  

• 27

• 11

• 12

• 9

Tags

CCSS.6.EE.A.2C

If $k=5$ , find  $\frac{k+3}{4}$  

•  $\frac{53}{4}$  

•  $2$  

•  $4$  

•  $8$  

Tags

CCSS.6.EE.A.2C

^{What is the solution?} 

• 1
• -2
• (1, 2)
• (1, -1)

Tags

CCSS.8.EE.C.8A