HW 4.14 Equivalent Expressions

Simplify:

6k + 7k

• 42k

• 13k

• 13 + k

• 42 + k

Combine like terms:

10x - 4x

• 6x

• 14x

• 40x

• 60x

y + 10 + 7y - 3

• 7y + 7

• 8y + 7

• 14y

• 15y

Simplify:

6q - 3q + 1

• 9q - 1

• 9q + 1

• 3q + 1

• 2q + 1

2x + 13 + 7x

• 20x + 2

• 14x + 13

• 9x + 13

• 22x

Which expression is equivalent to

x + x + x + x + x

• 5 + x

• x⁵

• 5x

• $\frac{5}{x}$

Which quantity could go in the blank to make the equation below true?

x + 3x + _____ = 7x

• 4x

• 3x

• 2x

• x

Which expression is equivalent to 12x - 3y + x + 5x

• 17x - 3y

• 9x - 3y

• 18x - 3y

• 15xy