Solve Equations

Solve the equation:

 $-4\left(-t-24\right)=-4t-24$  

• 15

• -15

• The Equation is an identity

• The equation has no solution

Tags

CCSS.8.EE.C.7A

Solve the equation:

 $-2\left(-x-8\right)=-2x-8$  

• 6

• -6

• The Equation is an identity

• The equation has no solution

Tags

CCSS.8.EE.C.7A

Solve for x:

 $-\frac{5}{2}x-20=20$  
 $x=?$  

Tags

CCSS.7.EE.B.4A

Solve for x:

 $-\frac{4}{3}x+17=-11$  
 $x=?$  

Tags

CCSS.7.EE.B.4A

Solve for the indicated variable:

 $Z=\frac{q-d}{v}\ for\ q$  

 $q=?$  

Tags

CCSS.HSA.REI.B.3

Solve for the indicated variable:

 $Y=\frac{s-t}{z}\ for\ s$  

 $s=?$  

Tags

CCSS.HSA.CED.A.4

A truck can be rented from Company A for ​$50 a day plus ​$0.70 per mile. Company B charges ​$20 a day plus ​$0.80 per mile to rent the same truck. Find the number of miles in a day at which the rental costs for Company A and Company B are the same.

At ____?_____ miles, the rental costs are the same.

A car can be rented from Company A for ​$70 a day plus ​$0.30 per mile. Company B charges ​$40 a day plus ​$0.60 per mile to rent the same truck. Find the number of miles in a day at which the rental costs for Company A and Company B are the same.

At ____?_____ miles, the rental costs are the same.

Solve for r:

 $\frac{r}{4}=\frac{r+3}{10}$  

 $r=?$  

Tags

CCSS.8.EE.C.7B

Solve for n:

 $\frac{n}{2}=\frac{n+7}{10}$  

 $n=?$  (Write your answer as a decimal or fraction in the form a/b)

Tags

CCSS.8.EE.C.7B