7th Grade Equations Practice

The solution to the equation a - 10 = -4 is 6. To check to see if your solution works you _________________the variable with the solution that you found and then verify that the left side is equal to the right.

• multiply

• replace

• subtract

• add

To solve the equation n/-5 = 20, you would ___________________both sides of the equation by -5.

• divide

• multiply

• add

• subtract

Solve the equation 26 = a - 28.

• 54

• -54

• -2

• 2

What are the two steps used to solve for the variable in the following equation?

 $\frac{x}{4\ }+\ 7\ =\ 2$  

• add 7 then divide by 4

• add 4 then multiply by 7

• subtract 4 then divide by 7

• subtract 7 then multiply by 4

What is the value of the variable in the following equation?

 $\frac{x}{3}+\ 9\ =\ 2$  

What is the value of the variable in the following equation?

 $3x\ +\ 4\ =\ 19$  

 $-\frac{1}{6}\ =\ -\frac{4}{9}\ y$  

•  $y\ =-\frac{9}{24}$  

•  $y\ =\frac{24}{9}$  

•  $y\ =\frac{15}{54}$  

•  $y\ =\frac{3}{8}$  

 $Solve\ for\ x.\ \ \ \ \ \ \ \ \ \ \ \ \ 20\ =\ \frac{x\ +\ -8}{-5}$  

• 108

• -92

• -17

• -108

-4(1 + 3x) = 68

• x = -16

• x = -6

• x = 24

• x = 6

-6(-5r +6) + 3r = -69

• -4

• -18

• -2

• -1