Solving Linear Equations

Which operation will undo subtraction?

• Addition

• Subtraction

• Multiplication

• Division

Which operation will cancel out multiplication?

• A.  Addition
• B. Subtraction
• C. Multiplication
• D. Division

What is the first step in solving for w in the equation 3w + 5 = 14?

• Add 5 to both sides of the equal sign

• Divide by 3 on both sides of the equal sign

• Subtract 5 from both sides of the equal sign

• Multiply by 3 on both sides of the equal sign

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

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

What step would you take to solve this equation?

• Multiply both sides of the equation by 2
• Divide both sides of the equation by 2
• Add 2 to both sides of the equation
• Subtract 2 from both sides of the equation

The second step in solving the equation 2x - 3 = -15 is to . . .

• divide by 2 on both sides of the equation

• multiply by 2 on both sides of the equation

• subtract 3 on both sides of the equation

• add 3 on both sides of the equation

Solve:
3(x - 2) = 18

• 6.7
• 4
• 8
• -4

Solve for x:
5 + 3x = 8x - 15

• 10
• 4
• 2
• 20/11