Basic Expressions With Variables

4 + b = 30

• -34

• 34

• -26

• 26

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.

y - 4.6 = 12

• 16.6

• 5.8

• 7.4

• Answer not Given

10x = 90

• x = 80

• x = 100

• x = 10

• x = 9

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

What do you call the number in front of a variable that is being multiplied?

• Constant

• Variable

• Coefficient

• Equation

To check your solution. You do what first?

• Isolate the variable

• Opposite

• Substitute the variable with the answer

• Use the "Golden Rule"

What are the two basic rules for solving algebraic equations?

• Whatever you do to one side of the equal sign, you must copy and do on the other side of the equal sign

• Negative signs can be ignored

• Always start on the left side, regardless of where the variable is

• Always do the opposite operation

Can you have more than one variable in an expression?

• Yes

• No

• 10

• 11

• 27

• 9