Equivalent Expressions

Which of the following expressions are equivalent?

• 3x + (6 - x) and (3x - 6) +x

• 5 ( 4x + 2) and (5 + 4x) 2

• 3 ( 7x - 8) and (7x + 8) 3

• 3x + 9 and 3 (x + 3)

Simplest form of the expression: 3x + 1 + 9(2x + 2)

• 24x

• 3x + 1 + 18x + 2

• 21x + 3

• 21x + 19

Which pair of expressions is equal?

• (2x + 3) 9

  2x + (3 + 9)

• 6x + 4y + 3

  6y + 4x + 3

• 4y + (-3) + 2x

  -3 + 4y + 2x

• (3x - 4y) + 8

  3x - (4y + 8)

Which expression is equivalent to (3x − 7)5

• 15x + 35

• 15 − 35x

• 15x − 7

• 15x - 35

Which expression is equal to m(35)

• m(30) + 5

• m(3) + m(5)

• m(30) + m(5)

• 30m + m