8th grade equations

Which value of x makes this statement true?

 $3x=2x+7$  

•  $\frac{7}{5}$  

•  $6$  

•  $\frac{7}{2}$  

• 7

Tags

CCSS.6.EE.B.5

Solve.  $2\left(3r+4\right)-3\left(r+1\right)=14$  

• 3

•  $\frac{19}{2}$  

• 16

• 7

Tags

CCSS.8.EE.C.7B

Enter the value for x that makes the equation true.

 $-3\left(x-4\right)+x=4x-12$  

• 26

• 5

• 4

•  $\frac{4}{3}$  

Tags

CCSS.8.EE.C.7B

A linear equation in one variable (the variable x) that can be transformed into an equivalent equation in which of these forms has more than one solution? Select the one that applies.

• x=4

• 3=5

• 1=1

• $\frac{3}{4}$

Tags

CCSS.8.EE.C.7A

A linear equation with one variable, x, can be transformed into an equivalent equation that has one solution. Which of the following shows that the linear one-variable equation has one solution?

• 1=2

• 2=2

• x=8

• $x=x$

Tags

CCSS.8.EE.C.7A

What is the solution to the equation?
 $7+5x=8$  

•  $x=-2$  

•  $x=-\frac{2}{3}$  

•  $x=1$  

•  $x=\frac{1}{5}$  

Tags

CCSS.7.EE.B.4A

Solve.
 $3\left(x+4\right)-14=28$  

•  $x=9$  

•  $x=0$  

•  $x=10$  

•  $x=\frac{39}{3}$  

Tags

CCSS.7.EE.B.4A

How many solutions are there to this equation?
 $4x-6=2\left(2x+2\right)$  

• one solution

• no solutions

• infinitely many solutions

•  $12\ Solutions$  

Tags

CCSS.8.EE.C.7A

Axel simplified an equation as far as he could and determined that his equation has an infinite number of solutions. Which simplified equation leads Axel to this conclusion?

• $x=5$

• $x=0$

• $6=6$

• $3=-2$

Tags

CCSS.8.EE.C.7A

What is the solution to the following equation?
 $-2\left(4x+2\right)=5+x$  

•  $\frac{3}{8}$  

•  $x=\frac{8}{3}$  

•  $x=11$  

•  $x=-1$  

Tags

CCSS.8.EE.C.7B