Solving Equations

What is the solution of

 $2b+3b+6=21$  

• b = 6

• b= 5

• b = 4

• b = 3

Tags

CCSS.8.EE.C.7B

A tank currently has 5 gallons of water. It is being filled at a rate of 1/4 gallons per minute. How long will it take for the tank to have 9 gallons?

• 16 minutes

• 4 minutes

• 9 minutes

• 12 minutes

Tags

CCSS.7.EE.B.4A

Find the value of x in the given equation:

 $\frac{x+2}{5}=12$  

• x = 15

• x = 18

• x = 58

• x = 60

Tags

CCSS.7.EE.B.4A

What is the solution of the following equation:

 $5\left(y-4\right)=7\left(2y+1\right)$  

• y = -1

• y = -3

• y = 1

• y = 3

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

A company will print business cards for $.10 each plus a set up charge of $12. Another company offers business cards for $.12 each plus a set up charge of $10. What number of business cards will cost the same for each?

• 100 cards

• 90 cards

• 120 cards

• 80 cards

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.EE.A.2

CCSS.6.EE.A.4

Find the value of x in the given equation:

 $\frac{2x+8}{6}=\frac{1}{3}\left(x+4\right)$  

• x = 0

• x = 1

• No solution

• Infinite solution

Tags

CCSS.8.EE.C.7B

Solve the following equation for y:

 $6x+3y\ =\ 15$  

•  $3y=15-6x$  

•  $6x=15-3y$  

•  $y=5-2x$  

•  $y=2x-5$  

Tags

CCSS.6.EE.C.9

Solve the following equation for x:

 $qx+rx\ =\ s$  

•  $x\ =\ \frac{q}{s+r}$  

•  $x\ =\ \frac{r}{q+s}$  

•  $x\ =\ \frac{q}{r-s}$  

•  $x\ =\ \frac{s}{q+r}$  

Tags

CCSS.HSA.REI.B.3

Solve the following proportion for x:

 $\frac{2}{3}=\frac{x}{14}$  

•  $x=\frac{3}{28}$  

•  $x=\frac{28}{3}$  

•  $x=21$  

•  $x=\frac{1}{21}$  

Tags

CCSS.7.RP.A.2C

A concession stand at a baseball game sells 3 apples for $2.00. How can you find the cost for 10 apples?

• $\frac{2}{3}=\frac{x}{10}$

• $\frac{2}{x}=\frac{10}{3}$

• $\frac{3}{2}=\frac{x}{10}$

• $\frac{2}{10}=\frac{x}{3}$

Tags

CCSS.6.RP.A.3B