Question

Match each subtraction problem on the left with the equivalent simplified expression on the right.

Answer 1

A-3, B-4, C-1, D-2

Explanation:

A:

• 5x-(3x+1)
• Expand, 5x-3x-1
• Combine like terms, 2x-1

B:

• 5x-(-3x-1)
• Expand, 5x+3x+1
• Combine like terms, 8x+1

C:

• -5x-(3x+1)
• Expand, -5x-3x-1
• Combine like terms, -8x-1

D:

• -5x-(-3x-1)
• Expand, -5x+3x+1
• Combine like terms, -2x+1