Add and Subtract Like Terms Expressions

Simplify: 3r + 17r

• 20r

• 51r

• 20r²

• 14r

Simplify: 6m - 4m

• 2m

• 10m

• 10m²

• 2 +2m

Simplify: 10n - 13n

• 3n

• -3n

• -23n

• 23n

Simplify: 6n + n

• 6n

• 7n

• 5n

• -5n

Simplify: n + n

• 2n

• n

• n²

• 0

Simplify: 3n - n

• 2n

• 3n

• 4n

• -2n

Simplify the following expression:
3 + 5x + 8 - 2x

• -3x² - 11
• 3x² + 11
• 11 - 3x
• 11 + 3x

Simplify the following expression:
(5 + 4x) + (2x - 8)

• 13 + 6x
• 6x - 3
• 6x - 13
• 6x + 3

Simplify the expression: 2x + 1 + 7x 

• 10x
• 10
• 9x + 1
• 9 + 1x

Combine like terms
3x + 2x + 3y - 7y

• 5x + 10y
• 5x + 4y
• 5x - 4y
• 5x -10y