Equations

Solve:  $2x=18$  

• x = 36

• x = 18

• x = 9

• x = -9

Tags

CCSS.6.EE.B.7

Solve:  $4x-7=9$  

• x = 20

• x =  $\frac{1}{2}$  

• x = 4

• x = -4

Tags

CCSS.7.EE.B.4A

Select the equation that represents the situation:

An angelfish is 12 inches long. If the angelfish is 8.5 inches longer than a clown fish, how long is the clown fish?

• $12=c+8.5$

• $12+c\ =\ 8.5$

• $8.5-c=12$

• $c-8.5=12$

Tags

CCSS.HSA.CED.A.3

Solve: $k-5.5=7$  

• k = -12.5

• k = -1.5

• k = 1.5

• k = 12.5

Tags

CCSS.6.EE.B.7

Solve:  $9+y=7$  

• y = -2

• y = 2

• y = 16

• y =1.5

Tags

CCSS.6.EE.B.7

What is the first step in solving the equation:  $3x+5=7$  

• Multiply both sides by 3

• Add 5 to both sides

• Subtract 5 from both sides

• Divide both sides by 3

Tags

CCSS.7.EE.B.4A

Solve:  $6x=x-10$  

• x = -2

• x = 2

• x =  $-\frac{7}{10}$  

• x = 5

Tags

CCSS.6.EE.B.7

Solve:  $\frac{1}{2}x=4$  

• x = 8

• x = 2

• x = 6

• x = 4.5

Tags

CCSS.6.EE.B.7

Solve:  $7y-5y=14$  

• y =  $\frac{6}{7}$  

• y = 7

• y = 2

• y = 12

Tags

CCSS.7.EE.B.4A

Select the equation that represents the situation:

You save $5 each week w, you have already saved $25. How many weeks will it take until you have saved $80?

• $5w-80=25$

• $5w+25=80$

• $80+5w=25$

• $25\ =\ 5w$

Tags

CCSS.HSA.CED.A.3