Equations

What is the correct equation for:

the total of a number 8 and x is 15?

• 8x = 15

• 8/x=15

• 8 + x = 15

What is the correct equation for:

26 is the quotient for x and 13?

• 26x= 13

• 26+x = 13

• 26=x/13

• 13 x =26

What is the first step to solve this equation: 3x - 11 = 44

• Add 3 to both sides

• Subtract 11 from both sides

• Add 11 to both sides

• Divide 3 on both sides.

What is the solution of r - 11 = 5

• r=11

• r=14

• r=15

• r=16

Solve for k:
6k = 30

• k = 36

• k = 24

• k = 180

• k = 5

x - 62 = 123
How should you show your work to isolate the variable and solve the equation?

• Add 62 to each side. 

• Subtract 62 from each side.

• Multiply each side by 62.

• Add 123 to each side.

What is the correct step to solve for the variable?
15 = m - 5

• add 15 to both sides

• add 5 to both sides

• subtract 15 from both sides

• subtract 5 from both sides

The variable, k, is being divided by 11. How should you show your work to isolate the variable?

• Divide both sides by 11

• Multiply both sides by 11.

• Add 11 to both sides.

• Subtract 11 to both sides.

What is the correct equation: A number "y" decreased by 27 is 42

• 27y = 42

• y -27 =42

• 27-y = 42

• 27/y = 42

What is the inverse operation of adding?

• Adding

• Subtracting

• Multiplying

• Dividing