7.12 Pre Study Guide Quiz

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

• Add 3 to both sides
• Subtract 11 from both sides
• Add 11 to both sides
• Divide 3 on both sides.

The steps in solving 5b - 6 = 24 are: 

• Add 6 to both sides and divide both sides by 5
• Add 6 to both sides and multiply both sides by 5
• Subtract 6 from both sides then multiply both sides by 5
• Subtract 6 from both sides then divide both sides by 5

The goal of solving two-step equations is to:

• francine
• Find the coefficient 
• Find the value of the variable

What does isolate the variable mean?

• Make sure the variable is not alone.
• Get the variable by itself.
• Make the variable do a dance.
• Double the variable

To undo an operation, you must do its opposite or inverse to both sides of the equation. Match each operation to its inverse.

• Multiplication

• Addition

• Subtraction

• Division

• Addition

• Subtraction

• Division

• Multiplication

What is the FIRST step in solving this equation?

• subtract 3 from each side

• add three to each side

• subtract 2 from each side

• add 2 to each side

Tags

7.11.B

• add 30 to both sides

• subtract 30 from both sides

• multiply both sides by 30

• divide both sides by 30

What is the first step to complete when solving this equation?
10 - 3y = 4

• Add 10
• Subtract 10
• Add 3
• Divide by -3

What is the first step in solving this equation:
5x + 7 = 12

• Divide by 5
• Subtract 5
• Multiply by 7
• Subtract 7

Twice a number plus 6 is -72

• 2 + 6x =- 72
• 2x + 6 = -72
• 2 + 6 = x
• 2x² + 6 = 72