Simplify Expressions

Simplify the expression: 2x + 1 + 7x 

• 10x
• 10
• 9x + 1
• 9 + 1x

Terms that have the same variables such as 5x and -8x.

• like terms

• coefficients

• exponents

• variables

The numerical factor in a term of an algebraic expression. The 4 in the expression 4t³.

• coefficient

• variable

• factor

• exponent

Simplify the expression:

4x + 3x

• 12x

• 12x²

• 7x

• 7x²

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

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

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

Simplify the following expression:
-6x + 4(-x - 3)

• -2x - 12
• 10x + 12
• -10x - 12
• -2x + 12