One-Step Equations

Solve the equation:
x - 4 = 6

• x = 10
• x = -10
• x = 2
• x = -2

r + 20 = 27

• r = 7
• r = 47
• r = 13
• r = 20

4x = 8

• 12

• 2

• 4

• 3

What what is the inverse operation of subtraction?

• addition
• subtraction
• multiplication
• division

What would be the best first step to solving the equation?
-6x=-24

• multiply both sides by -6
• divide both sides by -6
• add 6  to both sides
• subtract -6  from both sides

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.

a mathematical sentence stating that two expressions are equal

• term

• coefficient

• equation

• variable

What is the definition of a variable?

• The letter used to represent a quantity
• The little number or letter used to raise to a power
• The number in front of a variable
• The number with no variable

Pairs of operations that undo each other

• inverse operations
• solution
• inequality

To solve an equation, the goal is to __________ the variable on one side.

• Evaluate
• Leviate
• Isolate
• Reciprocate